{ "collection": "materials", "name": "Shielding products", "description": "Named shielding products with the attenuation each manufacturer declares, pinned to the frequency, the layer or coat count and the test standard it was measured under, plus surface resistance, thickness, grounding requirement and what the figure does not cover. Every value is a manufacturer declaration for a flat sample, not an installed measurement.", "count": 16, "dataVersion": "2026.08.1", "lastVerified": "2026-08-12", "license": { "name": "CC BY 4.0", "url": "https://creativecommons.org/licenses/by/4.0/" }, "records": [ { "id": "materials:yshield-hsf54", "collection": "materials", "slug": "yshield-hsf54", "name": "YSHIELD HSF54 shielding paint", "summary": "Carbon-based water-borne shielding paint declared at 46 dB in one coat and 53 dB in two coats at 1 GHz, measured on flat samples to ASTM D4935-10 or IEEE Std 299-2006, and requiring a grounded conductive connection to also control low-frequency electric fields.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "HSF54", "YSHIELD paint", "carbon shielding paint" ], "manufacturer": "YSHIELD GmbH & Co. KG", "model": "HSF54", "materialClass": "shielding-paint", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 46, "frequency": "1 GHz", "configuration": "one coat", "quantity": "power-density" }, { "db": 53, "frequency": "1 GHz", "configuration": "two coats", "quantity": "power-density" } ], "testMethod": "Manufacturer states measurement from 40/600 MHz to 40 GHz to ASTM D4935-10 or IEEE Std 299-2006, with the declared dB values quoted at 1 GHz. Production, quality assurance, emissions and health-relevant ingredients are monitored by TÜV SÜD; that certification covers the product, not a site installation.", "construction": "Water-borne dispersion pigmented with carbon black and graphite, applied by roller or airless spray.", "requiresGrounding": true, "application": [ "Interior walls and ceilings", "Floors under a covering", "Exterior facades with a suitable top coat" ], "limitations": [ "Conductive paint left ungrounded floats at the potential of nearby wiring and can raise the AC electric field in the room rather than lower it", "The declared dB applies to a continuous coated sample: windows, doors, sockets and service penetrations are unshielded paths and usually dominate the installed result", "Coats have to be continuous and of the declared wet film thickness; thin or patchy application loses several dB with no visible sign", "A TÜV SÜD certification of the product is not a measurement of the finished room, and no attenuation figure predicts what a meter will read after installation" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/hsf54-emr-shielding-paint-1l", "relationship": "owned" }, "related": [ "shielding:paint", "quantities:attenuation", "protocols:shielding-verification" ] }, "sources": [ { "id": "yshield-product-overview", "title": "YSHIELD product overview with technical data and shielding attenuation", "publisher": "YSHIELD GmbH & Co. KG", "url": "https://www.yshield.de/pdf/YSHIELD-Produktuebersicht-Productoverview.pdf", "year": 2026, "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/yshield-hsf54", "html": "https://emfbase.com/materials/yshield-hsf54", "markdown": "https://emfbase.com/materials/yshield-hsf54.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:yshield-pro54", "collection": "materials", "slug": "yshield-pro54", "name": "YSHIELD PRO54 shielding paint", "summary": "Carbon-fibre shielding paint declared at 37 dB in one coat and 43 dB in two coats at 1 GHz, and up to 93 dB at 40 GHz, formulated for hardness and non-staining rather than for the highest attenuation per coat.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "PRO54" ], "manufacturer": "YSHIELD GmbH & Co. KG", "model": "PRO54", "materialClass": "shielding-paint", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 37, "frequency": "1 GHz", "configuration": "one coat", "quantity": "power-density" }, { "db": 43, "frequency": "1 GHz", "configuration": "two coats", "quantity": "power-density" }, { "db": 93, "frequency": "40 GHz", "configuration": "manufacturer's stated maximum", "quantity": "power-density" } ], "testMethod": "Manufacturer states measurement from 40/600 MHz to 40 GHz to ASTM D4935-10 or IEEE Std 299-2006, dB values quoted at 1 GHz unless a frequency is named. TÜV SÜD certified production.", "construction": "Water-borne dispersion reinforced with carbon fibres for abrasion resistance without rub-off.", "requiresGrounding": true, "application": [ "Interior walls and ceilings where the surface is handled or scrubbed", "Exterior facades with a suitable top coat" ], "limitations": [ "Lower declared attenuation per coat than the same manufacturer's HSF54 and ECO54: the trade-off bought by the carbon-fibre binder is mechanical, not electromagnetic", "The 93 dB figure is at 40 GHz and says nothing about performance in the cellular and Wi-Fi bands most exposure comes from", "Must be grounded; an ungrounded conductive coating can increase the low-frequency electric field in the room", "Declared on flat samples, so seams, windows and penetrations are excluded from the number" ], "related": [ "shielding:paint", "quantities:attenuation" ] }, "sources": [ { "id": "yshield-product-overview", "title": "YSHIELD product overview with technical data and shielding attenuation", "publisher": "YSHIELD GmbH & Co. KG", "url": "https://www.yshield.de/pdf/YSHIELD-Produktuebersicht-Productoverview.pdf", "year": 2026, "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/yshield-pro54", "html": "https://emfbase.com/materials/yshield-pro54", "markdown": "https://emfbase.com/materials/yshield-pro54.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-rf-ie50", "collection": "materials", "slug": "woremor-rf-ie50", "name": "WOREMOR RF-IE50 shielding paint", "summary": "Graphite and carbon-black shielding paint declared at 36 dB in one layer and 43 dB in two layers, with the manufacturer claiming near-constant attenuation and no preferred polarisation up to 18 GHz, for interior and exterior use.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "RF-IE50", "WOREMOR paint", "5G EMF paint" ], "manufacturer": "WOREMOR", "model": "RF-IE50", "materialClass": "shielding-paint", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 36, "frequency": "manufacturer states near-constant response up to 18 GHz", "configuration": "one layer", "quantity": "power-density" }, { "db": 43, "frequency": "manufacturer states near-constant response up to 18 GHz", "configuration": "two layers", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared shielding attenuation; WOREMOR states attenuation values apply at 1 GHz with measurement to ASTM D4935-10 or IEEE Std 299-2006 and publishes a screening report per material.", "construction": "Water-based acrylic binder with graphite and carbon black, no metallic particles, applied as a primer coat and over-painted.", "coverage": "1 litre covers roughly 7.5 m² (81 sq ft) as a single layer.", "requiresGrounding": true, "application": [ "Interior walls, ceilings and floors", "Exterior walls and facades", "Under water-based emulsion, facade or silicone resin top coats" ], "limitations": [ "The manufacturer states the paint must be grounded; ungrounded, a conductive coating can raise the low-frequency electric field indoors", "36 dB in one layer is a flat-sample figure and removes nothing arriving through windows, doors or service penetrations", "A near-constant response claimed to 18 GHz is not a measurement at every frequency in that span and does not cover the 24–40 GHz mmWave bands", "Top coats, metallic paints and foil-backed products over the coating change the result unpredictably" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/5g-emf-paint-5l", "relationship": "owned" }, "related": [ "shielding:paint", "quantities:attenuation", "protocols:shielding-verification" ] }, "sources": [ { "id": "woremor-rf-ie50", "title": "WOREMOR RF-IE50 shielding paint — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/woremor-rf-ie50-1l", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-rf-ie50", "html": "https://emfbase.com/materials/woremor-rf-ie50", "markdown": "https://emfbase.com/materials/woremor-rf-ie50.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-rf-ie50-plus", "collection": "materials", "slug": "woremor-rf-ie50-plus", "name": "WOREMOR RF-IE50 PLUS shielding paint", "summary": "Maximum-attenuation version of RF-IE50, declared at 40 dB one layer, 48 dB two layers and 54 dB three layers at 1 GHz, and 44/66/86 dB at 40 GHz, with the manufacturer noting reduced hardness and abrasion resistance as the trade-off.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "RF-IE50 PLUS", "WOREMOR PLUS paint" ], "manufacturer": "WOREMOR", "model": "RF-IE50 PLUS", "materialClass": "shielding-paint", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 40, "frequency": "1 GHz", "configuration": "one layer", "quantity": "power-density" }, { "db": 48, "frequency": "1 GHz", "configuration": "two layers", "quantity": "power-density" }, { "db": 54, "frequency": "1 GHz", "configuration": "three layers", "quantity": "power-density" }, { "db": 44, "frequency": "40 GHz", "configuration": "one layer", "quantity": "power-density" }, { "db": 66, "frequency": "40 GHz", "configuration": "two layers", "quantity": "power-density" }, { "db": 86, "frequency": "40 GHz", "configuration": "three layers", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared, measured in WOREMOR's own EMC laboratory to 40 GHz; declared values are quoted at 1 GHz and 40 GHz for one to three layers.", "construction": "Water-based acrylic dispersion with natural graphite and carbon black, solvent-free and plasticiser-free.", "coverage": "5 litres covers roughly 37 m² (400 sq ft) as a single layer.", "requiresGrounding": true, "application": [ "Interior and exterior walls, ceilings and floors", "Rooms where the target level needs every available dB" ], "limitations": [ "The manufacturer states limitations in hardness and abrasion resistance, so it needs a protective top coat in trafficked areas", "Must be grounded — interior via a grounding strap and plate, exterior via the fibre additive and ground plate the manufacturer specifies", "Layer counts are not interchangeable: the 54 dB figure requires three continuous layers, and a thin third layer does not deliver it", "The declared figures are flat-sample laboratory values and exclude windows, seams and penetrations, which normally set the installed result" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/rf-ie50-plus-5l", "relationship": "owned" }, "related": [ "shielding:paint", "quantities:attenuation" ] }, "sources": [ { "id": "woremor-rf-ie50-plus", "title": "WOREMOR RF-IE50 PLUS shielding paint — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/rf-ie50-plus-5l", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-rf-ie50-plus", "html": "https://emfbase.com/materials/woremor-rf-ie50-plus", "markdown": "https://emfbase.com/materials/woremor-rf-ie50-plus.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-wm-hg03", "collection": "materials", "slug": "woremor-wm-hg03", "name": "WOREMOR WM-HG03 stainless steel gauze", "summary": "Fine stainless steel gauze with 0.3 mm mesh declared at 55 dB at 1 GHz and a square resistance of 0.03 Ω, which makes it groundable so it also controls low-frequency electric fields.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "WM-HG03", "stainless steel shielding mesh", "EMF gauze" ], "manufacturer": "WOREMOR", "model": "WM-HG03", "materialClass": "shielding-mesh", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 55, "frequency": "1 GHz", "configuration": "single layer, flat sample", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared at 1 GHz, measured to ASTM D4935-10 or IEEE Std 299-2006; WOREMOR publishes a screening report for the material. Fire classification A1 to DIN 4102:1994.", "construction": "Woven V4A stainless steel, 0.3 mm mesh width, 0.08 mm wire, 54% open area, 200 g/m², 90 cm wide.", "thickness": "0.16 mm", "surfaceResistance": "0.03 Ω square resistance", "requiresGrounding": true, "application": [ "Drywall construction", "Roof areas and under plaster", "Loose-laid under floor coverings", "Insect screens" ], "limitations": [ "Mesh attenuation falls as wavelength approaches the aperture size, so the 1 GHz figure does not carry to mmWave frequencies", "Elements must overlap by at least 5 cm and be bonded together; an unbonded overlap behaves as a slot and leaks", "Grounding is required to shield low-frequency electric fields, and the gauze is highly conductive, so it must be bonded correctly to avoid becoming a hazard near wiring", "The declared figure is for a flat sample: the installed result is set by the least-shielded path, usually a window or a penetration" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/emf-mesh-wm-hg03", "relationship": "owned" }, "related": [ "shielding:mesh", "quantities:attenuation", "protocols:shielding-verification" ] }, "sources": [ { "id": "woremor-wm-hg03", "title": "WOREMOR WM-HG03 stainless steel gauze — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/wm-hg03", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-wm-hg03", "html": "https://emfbase.com/materials/woremor-wm-hg03", "markdown": "https://emfbase.com/materials/woremor-wm-hg03.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-wm-hg10", "collection": "materials", "slug": "woremor-wm-hg10", "name": "WOREMOR WM-HG10 stainless steel gauze", "summary": "Coarser 1.0 mm stainless steel gauze declared at 40 dB single layer and 55 dB two layers, with 70% open area for use where light and air have to pass, and a square resistance of 0.1 Ω.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "WM-HG10" ], "manufacturer": "WOREMOR", "model": "WM-HG10", "materialClass": "shielding-mesh", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 40, "frequency": "1 GHz", "configuration": "single layer, flat sample", "quantity": "power-density" }, { "db": 55, "frequency": "1 GHz", "configuration": "two layers", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared at 1 GHz, measured to ASTM D4935-10 or IEEE Std 299-2006, with a screening report per material. Fire classification A1 to DIN 4102:1994.", "construction": "Woven V4A stainless steel, 1.0 mm mesh width, 0.16 mm wire, 70% open area, 260 g/m², 90 cm wide.", "thickness": "0.32 mm", "surfaceResistance": "0.1 Ω square resistance", "requiresGrounding": true, "application": [ "Interior and exterior use under plaster", "Roof areas and drywall", "Insect screens over openable windows" ], "limitations": [ "15 dB below the finer WM-HG03 at the same frequency: the larger aperture is the cost of the 70% open area", "Two-layer figures require both layers bonded and offset; simply laying a second layer loosely does not reproduce the declared 55 dB", "Requires grounding for low-frequency electric fields and correct bonding because the material is highly conductive", "The number is a flat-sample laboratory value, not a prediction of what a meter will read in a finished room" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/wm-hg10-stainless-steel-gauze", "relationship": "owned" }, "related": [ "shielding:mesh", "quantities:attenuation" ] }, "sources": [ { "id": "woremor-wm-hg10", "title": "WOREMOR WM-HG10 stainless steel gauze — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/wm-hg10-stainless-steel-gauze", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-wm-hg10", "html": "https://emfbase.com/materials/woremor-wm-hg10", "markdown": "https://emfbase.com/materials/woremor-wm-hg10.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-wm-hn60", "collection": "materials", "slug": "woremor-wm-hn60", "name": "WOREMOR WM-HN60 metallised netting", "summary": "Very light copper- and nickel-metallised polyester netting declared at 60 dB at 1 GHz with 0.2 mm mesh and 0.03 Ω square resistance, intended for insect screens, vents and equipment openings indoors.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "WM-HN60", "metallized netting" ], "manufacturer": "WOREMOR", "model": "WM-HN60", "materialClass": "shielding-mesh", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 60, "frequency": "1 GHz", "configuration": "single layer, flat sample", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared at 1 GHz, measured to ASTM D4935-10 or IEEE Std 299-2006, with a screening report per material.", "construction": "Polyester netting metallised with copper and nickel plus a protective coating, 0.2 mm mesh, 50 g/m², 130 cm wide.", "thickness": "0.1 mm", "surfaceResistance": "0.03 Ω square resistance", "requiresGrounding": true, "application": [ "Insect screens in frames", "Air outlets and vents", "Equipment and headphone openings" ], "limitations": [ "Interior use only: the manufacturer restricts it to protect the metallisation from corrosion, which would degrade attenuation invisibly", "Needs a proper conductive seal to the surrounding wall shielding or frame; an unsealed edge leaks and can leave the installation no better than an ordinary fly screen at about 25 dB", "Copper and nickel coatings lose conductivity with abrasion and corrosion, and the loss is not visible", "A single declared frequency point is not a curve: aperture-limited materials fall off as the wavelength approaches the mesh size" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/hnn60", "relationship": "owned" }, "related": [ "shielding:mesh", "quantities:attenuation" ] }, "sources": [ { "id": "woremor-wm-hn60", "title": "WOREMOR WM-HN60 metallised netting — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/wm-hn60-shielding-fabric-metallized-polyester-netting", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-wm-hn60", "html": "https://emfbase.com/materials/woremor-wm-hn60", "markdown": "https://emfbase.com/materials/woremor-wm-hn60.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-fl100", "collection": "materials", "slug": "woremor-fl100", "name": "FL100 metallised polyamide netting", "summary": "Heavy copper- and nickel-metallised netting declared at 98 dB single layer and 132 dB two layers at 1 GHz with 0.01 Ω square resistance, the manufacturer's high-end interior product for laboratories and secure rooms.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "FL100" ], "manufacturer": "WOREMOR", "model": "FL100", "materialClass": "shielding-mesh", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 98, "frequency": "1 GHz", "configuration": "single layer, flat sample", "quantity": "power-density" }, { "db": 132, "frequency": "1 GHz", "configuration": "two layers", "quantity": "power-density" } ], "testMethod": "Manufacturer states all attenuation values apply at 1 GHz, measured to ASTM D4935-10, IEEE Std 299-2006, IEEE Std 1128-1998 or ASTM A698/A698M-07, with a screening report published per material.", "construction": "Compact woven metallised polyester/polyamide netting with copper, nickel and a protective coating, 90 g/m², 90 cm wide, tensile strength 220 N/mm.", "thickness": "0.08 mm", "surfaceResistance": "0.01 Ω square resistance", "requiresGrounding": true, "application": [ "Interior wall, ceiling and floor lining", "Intermediate layer bonded with conductive dispersion glue", "Laboratories, secure rooms and technical areas" ], "limitations": [ "A 98 dB material does not produce a 98 dB room: at this level the installed result is set entirely by seams, edges, door frames, cable entries and ventilation, not by the sheet", "Requires a crease-free bond to a perfectly level surface, and textured wallpaper or rough plaster has to be smoothed first", "Conductive and therefore groundable for low-frequency electric fields, but the manufacturer declines to give a general grounding recommendation because it depends on the application", "Cut to length and non-returnable, so an installation has to be planned before ordering" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/fl100-metallized-polyamide-fabric", "relationship": "owned" }, "related": [ "shielding:mesh", "quantities:attenuation", "protocols:shielding-verification" ] }, "sources": [ { "id": "woremor-fl100", "title": "FL100 metallised polyamide netting — technical data and screening report", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/fl100", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-fl100", "html": "https://emfbase.com/materials/woremor-fl100", "markdown": "https://emfbase.com/materials/woremor-fl100.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-fl80", "collection": "materials", "slug": "woremor-fl80", "name": "FL80 metallised polyester netting", "summary": "Compact metallised polyester netting declared at 80 dB single layer and 106 dB two layers at 1 GHz, the manufacturer's standard bonded lining for walls, ceilings and floors.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "FL80" ], "manufacturer": "WOREMOR", "model": "FL80", "materialClass": "shielding-mesh", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 80, "frequency": "1 GHz", "configuration": "single layer, flat sample", "quantity": "power-density" }, { "db": 106, "frequency": "1 GHz", "configuration": "two layers", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared at 1 GHz, measured to ASTM D4935-10 or IEEE Std 299-2006, with a screening report per material.", "construction": "Compact woven metallised polyester with copper, nickel and a protective coating, 80 g/m², 66 or 130 cm wide, tensile strength 220 N/mm.", "thickness": "0.07 mm", "requiresGrounding": true, "application": [ "Bonded lining on interior walls, ceilings and floors", "Intermediate layer in drywall", "Loose-laid under floor coverings" ], "limitations": [ "The declared 80 dB is a flat-sample figure; overlaps have to be conductively joined or each seam becomes the dominant leak", "Needs a level substrate for crease-free bonding, and structured surfaces must be smoothed or shielding paint used instead", "Metallised coatings degrade with abrasion, moisture and corrosion, and the loss cannot be seen", "Conductive: it must be grounded correctly to control low-frequency electric fields and to be safe near wiring" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/fl80-hf-lf-shielding-netting", "relationship": "owned" }, "related": [ "shielding:mesh", "quantities:attenuation" ] }, "sources": [ { "id": "woremor-fl80", "title": "FL80 metallised polyester netting — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/fl80-hf-lf-shielding-netting", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-fl80", "html": "https://emfbase.com/materials/woremor-fl80", "markdown": "https://emfbase.com/materials/woremor-fl80.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-naturell", "collection": "materials", "slug": "woremor-naturell", "name": "NATURELL shielding fabric", "summary": "Semi-transparent cotton fabric with woven-in copper and silver declared at 38 dB single layer and 53 dB two layers at 1 GHz, not electrically conductive as a surface and therefore no use against low-frequency electric fields.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "Naturell", "Swiss Shield Naturell", "shielding curtain fabric" ], "manufacturer": "WOREMOR", "model": "NATURELL", "materialClass": "shielding-fabric", "targets": [ "radiofrequency" ], "attenuation": [ { "db": 38, "frequency": "1 GHz", "configuration": "single layer, flat sample", "quantity": "power-density" }, { "db": 53, "frequency": "1 GHz", "configuration": "two layers", "quantity": "power-density" } ], "testMethod": "Manufacturer states all attenuation values apply at 1 GHz, measured to ASTM D4935-10, IEEE Std 299-2006, IEEE Std 1128-1998 or ASTM A698/A698M-07, with a screening report published per material.", "construction": "82% cotton, 17% copper, 1% silver, 70 g/m², 250 cm wide, certified to Öko-Tex 100 and 1000.", "requiresGrounding": false, "application": [ "Curtains", "Bed canopies", "Window coverings", "Room dividers" ], "limitations": [ "Not electrically conductive as a surface, so it cannot be grounded and does nothing for low-frequency electric fields, which need a separate measure", "A curtain or canopy is only as good as its closure: an open edge or a gap at the floor can leave the measured level barely changed", "Reflective rather than absorbing, so an enclosure with a transmitter inside it can measure higher inside than outside", "Repeated washing and creasing degrade the woven metal, and the declared figure assumes a flat unwashed sample" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/swiss-shield-naturell", "relationship": "owned" }, "related": [ "shielding:fabric", "quantities:attenuation", "protocols:shielding-verification" ] }, "sources": [ { "id": "woremor-naturell", "title": "NATURELL shielding fabric — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/emf-shielding-fabric-naturell", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-naturell", "html": "https://emfbase.com/materials/woremor-naturell", "markdown": "https://emfbase.com/materials/woremor-naturell.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-ultima", "collection": "materials", "slug": "woremor-ultima", "name": "ULTIMA shielding fabric", "summary": "Densely woven cotton fabric with copper and silver declared at 41 dB single layer and 54 dB two layers at 1 GHz, the tighter-woven version of NATURELL and equally non-conductive as a surface.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "Ultima", "Swiss Shield Ultima" ], "manufacturer": "WOREMOR", "model": "ULTIMA", "materialClass": "shielding-fabric", "targets": [ "radiofrequency" ], "attenuation": [ { "db": 41, "frequency": "1 GHz", "configuration": "single layer, flat sample", "quantity": "power-density" }, { "db": 54, "frequency": "1 GHz", "configuration": "two layers", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared at 1 GHz, measured to ASTM D4935-10 or IEEE Std 299-2006, with a screening report per material.", "construction": "82% cotton, 17% copper, 1% silver, 70 g/m², 250 cm wide, tighter weave than NATURELL.", "requiresGrounding": false, "application": [ "Curtains", "Bed canopies", "Room dividers" ], "limitations": [ "3 dB above NATURELL at the same frequency — a factor of two in power, which is far less than a single gap in the installation costs", "Not conductive as a surface: no grounding, and no effect on low-frequency electric fields", "Reflective, so a partly enclosed space containing a transmitter can read higher inside", "Declared on a flat sample; drape, folds and closures are what decide the installed result" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/swiss-shield-ultima", "relationship": "owned" }, "related": [ "shielding:fabric", "quantities:attenuation" ] }, "sources": [ { "id": "woremor-ultima", "title": "ULTIMA shielding fabric — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/swiss-shield-shielding-fabric-ultima-hf-width-250-cm", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-ultima", "html": "https://emfbase.com/materials/woremor-ultima", "markdown": "https://emfbase.com/materials/woremor-ultima.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-silverloom", "collection": "materials", "slug": "woremor-silverloom", "name": "WOREMOR SilverLoom silvered knit fabric", "summary": "Semi-transparent silver-plated nylon knit declared at 50 dB with 0.6 Ω per 100 mm surface resistance, conductive enough to be grounded and therefore usable against low-frequency electric fields as well as RF.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "SilverLoom", "TullX", "silver tulle" ], "manufacturer": "WOREMOR", "model": "SilverLoom", "materialClass": "shielding-fabric", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 50, "frequency": "1 GHz", "configuration": "single layer, flat sample", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared at 1 GHz, measured to ASTM D4935-10 or IEEE Std 299-2006, with a screening report per material.", "construction": "Knitted silver-plated nylon, 84% nylon and 16% silver, 28 g/m², 150 cm wide, RoHS compliant.", "surfaceResistance": "0.6 Ω per 100 mm, 8 Ω per metre", "requiresGrounding": true, "application": [ "Net curtains", "Canopies", "Room dividers in laboratories and practices" ], "limitations": [ "Grounding is required for the low-frequency electric field claim; ungrounded, it is an RF-only material", "Silver plating tarnishes and abrades, and washing or movement reduces conductivity without any visible change", "A knit stretches: the declared figure is for the relaxed flat fabric, and stretched or distorted areas open the loops", "Declared on a flat sample, so seams, closures and the gap at floor level set the installed result" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/woremor-silverloom", "relationship": "owned" }, "related": [ "shielding:fabric", "quantities:attenuation" ] }, "sources": [ { "id": "woremor-silverloom", "title": "WOREMOR SilverLoom silvered knit shielding fabric — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/woremor-tull-x", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-silverloom", "html": "https://emfbase.com/materials/woremor-silverloom", "markdown": "https://emfbase.com/materials/woremor-silverloom.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-wm-cs300", "collection": "materials", "slug": "woremor-wm-cs300", "name": "WM-CS300 copper shielding fabric", "summary": "Light copper- and nickel-metallised polyester non-woven declared at up to 65 dB across 30 MHz to 20 GHz with up to 0.1 Ω surface resistivity, air-permeable and used as a technical shielding layer rather than a finished shield.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "WM-CS300", "MFT-300", "copper shielding fabric" ], "manufacturer": "WOREMOR", "model": "WM-CS300", "materialClass": "shielding-fabric", "targets": [ "radiofrequency", "elf-electric" ], "attenuation": [ { "db": 65, "frequency": "30 MHz – 20 GHz", "configuration": "single layer, manufacturer's stated maximum", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared band figure; WOREMOR states attenuation values apply at 1 GHz with measurement to ASTM D4935-10 or IEEE Std 299-2006 unless a band is named.", "construction": "Non-woven polyester (MILIFE) with copper/nickel metallisation and a surface finish, 37 ± 1 g/m², 7 ± 1 g/m² deposited metal, tensile strength 100 MD / 65 CD N per 50 mm, 1 m wide.", "surfaceResistance": "up to 0.1 Ω surface resistivity", "requiresGrounding": false, "application": [ "Technical shielding layers in apparel, electronics and vehicles", "Healthcare and architectural assemblies", "Intermediate layer where weight and air permeability matter" ], "limitations": [ "“Up to 65 dB” is a band maximum, not a value that holds across 30 MHz to 20 GHz, and no per-frequency curve is published with it", "At 37 g/m² the material is a thin non-woven; handling damage reduces attenuation invisibly", "The manufacturer states anti-corrosive treatment, but a metallised coating still abrades, so long-term performance is not the declared performance", "A technical layer rather than a finished shield: it needs conductive joining and an enclosure design to reach anything like the declared figure" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/woremor-mft-300-copper-shielding-fabric-width-1m", "relationship": "owned" }, "related": [ "shielding:fabric", "quantities:attenuation" ] }, "sources": [ { "id": "woremor-wm-cs300", "title": "WM-CS300 copper/nickel metallised non-woven — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/wm-cs300", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-wm-cs300", "html": "https://emfbase.com/materials/woremor-wm-cs300", "markdown": "https://emfbase.com/materials/woremor-wm-cs300.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:woremor-rdf72", "collection": "materials", "slug": "woremor-rdf72", "name": "WM-RDF72 shielding window film", "summary": "Twelve-layer precious-metal coated self-adhesive window film declared at 32 dB at 1 GHz with 72% light transmission, restricted to interior application on non-heat-absorbing glass.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "RDF72", "shielding window film", "EMF window film" ], "manufacturer": "WOREMOR", "model": "WM-RDF72", "materialClass": "shielding-window-film", "targets": [ "radiofrequency" ], "attenuation": [ { "db": 32, "frequency": "1 GHz", "configuration": "single film layer on glass", "quantity": "power-density" } ], "testMethod": "Manufacturer-declared at 1 GHz, measured to ASTM D4935-10 or IEEE Std 299-2006, with a screening report per material.", "construction": "12 metal-coated layers on polyester carrier, 75 µm thick, water-activated pressure-sensitive adhesive, 72% light transmission, very light green tint.", "thickness": "75 µm", "requiresGrounding": false, "application": [ "Interior face of window glass", "Glazed doors and other level glass surfaces" ], "limitations": [ "Interior application on non-heat-absorbing glass only: applied to already-metallised solar-control glass, multiple reflections heat the pane and can crack it or break the edge seals", "The cut edge exposes the metal layers and has to be sealed, or the film corrodes inward from the edge", "32 dB on the glass does nothing about the frame, the reveal or the wall around it, and the window frame needs separate shielding to keep the path closed", "Field arriving through walls, roof or floor is untouched, so a film alone rarely changes a whole-room reading much" ], "availability": { "vendor": "EMR Shielding Solutions", "url": "https://www.emrss.com/products/woremor-wm-rdf72-hf-emf-shielding-window-film-width", "relationship": "owned" }, "related": [ "shielding:window-film", "quantities:attenuation", "protocols:shielding-verification" ] }, "sources": [ { "id": "woremor-rdf72", "title": "WM-RDF72 shielding window film — technical data", "publisher": "WOREMOR", "url": "https://www.woremor.com/products/emf-shielding-window-film-rdf72", "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/woremor-rdf72", "html": "https://emfbase.com/materials/woremor-rdf72", "markdown": "https://emfbase.com/materials/woremor-rdf72.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:yshield-m2l", "collection": "materials", "slug": "yshield-m2l", "name": "YSHIELD M2L magnetic shielding film", "summary": "Two-layer 0.12 mm magnetic shielding film declared at 12.1 dB single layer rising to 21.7 dB in four layers, quoted by the manufacturer as a field-amplitude reduction of 75.1% to 91.8%.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "M2L", "magnetic shielding film", "mu-metal film" ], "manufacturer": "YSHIELD GmbH & Co. KG", "model": "M2L", "materialClass": "shielding-mu-metal", "targets": [ "elf-magnetic" ], "attenuation": [ { "db": 12.1, "frequency": "power frequency (50/60 Hz) magnetic field", "configuration": "single layer", "quantity": "magnetic-flux-density" }, { "db": 16.3, "frequency": "power frequency (50/60 Hz) magnetic field", "configuration": "two layers", "quantity": "magnetic-flux-density" }, { "db": 19.5, "frequency": "power frequency (50/60 Hz) magnetic field", "configuration": "three layers", "quantity": "magnetic-flux-density" }, { "db": 21.7, "frequency": "power frequency (50/60 Hz) magnetic field", "configuration": "four layers", "quantity": "magnetic-flux-density" } ], "testMethod": "Manufacturer-declared magnetic-field attenuation per layer count, quoted with the corresponding percentage reduction in field amplitude. These are amplitude ratios, not the power ratios used for the same manufacturer's RF products.", "construction": "Two-layer high-permeability alloy film protected with laminating foil on both sides, 21 cm wide.", "thickness": "0.12 mm", "requiresGrounding": false, "application": [ "Local shielding of a transformer, riser or supply cable", "Intermediate layer in a wall, floor or ceiling build-up", "Shielding a bed head from a known magnetic source" ], "limitations": [ "Magnetic shielding works by diverting flux, so a flat film only helps where it sits between the source and the person; it does not enclose a room", "12.1 dB is a factor of about four in field, not the thousandfold reduction RF materials are quoted at — magnetic fields at power frequency are the hardest case in shielding", "High-permeability alloys lose permeability if kinked, folded, hammered or drilled, and the loss is permanent and invisible", "Declared per flat layer in the manufacturer's fixture: geometry, distance and source orientation change the installed result more than layer count does", "Nothing here addresses RF; the field type is different and so is the material" ], "related": [ "shielding:high-permeability-alloy", "quantities:attenuation", "quantities:magnetic-flux-density" ] }, "sources": [ { "id": "yshield-product-overview", "title": "YSHIELD product overview with technical data and shielding attenuation", "publisher": "YSHIELD GmbH & Co. KG", "url": "https://www.yshield.de/pdf/YSHIELD-Produktuebersicht-Productoverview.pdf", "year": 2026, "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/yshield-m2l", "html": "https://emfbase.com/materials/yshield-m2l", "markdown": "https://emfbase.com/materials/yshield-m2l.md", "collection": "https://emfbase.com/api/materials" } }, { "id": "materials:yshield-m6l-9x", "collection": "materials", "slug": "yshield-m6l-9x", "name": "YSHIELD M6L-9X magnetic shielding film", "summary": "Six-layer 0.5 mm magnetic shielding film declared at 20 dB single layer rising to 33 dB in four layers, quoted by the manufacturer as a field-amplitude reduction of 89.4% to 97.7%.", "status": "verified", "lastVerified": "2026-08-12", "data": { "aliases": [ "M6L-9X", "M6L" ], "manufacturer": "YSHIELD GmbH & Co. KG", "model": "M6L-9X", "materialClass": "shielding-mu-metal", "targets": [ "elf-magnetic" ], "attenuation": [ { "db": 20, "frequency": "power frequency (50/60 Hz) magnetic field", "configuration": "single layer", "quantity": "magnetic-flux-density" }, { "db": 26, "frequency": "power frequency (50/60 Hz) magnetic field", "configuration": "two layers", "quantity": "magnetic-flux-density" }, { "db": 30, "frequency": "power frequency (50/60 Hz) magnetic field", "configuration": "three layers", "quantity": "magnetic-flux-density" }, { "db": 33, "frequency": "power frequency (50/60 Hz) magnetic field", "configuration": "four layers", "quantity": "magnetic-flux-density" } ], "testMethod": "Manufacturer-declared magnetic-field attenuation per layer count with the corresponding percentage reduction in field amplitude; amplitude ratios, not power ratios.", "construction": "Six-layer high-permeability alloy film laminated on both sides for use as an intermediate layer in walls, roofs and floors.", "thickness": "0.5 mm", "requiresGrounding": false, "application": [ "Intermediate layer in wall, roof or floor build-ups", "Shielding a room from a transformer or busbar on the other side of a wall", "Vehicle and industrial installations" ], "limitations": [ "Diverts flux rather than blocking it: the film has to be between the source and the occupied space, and a partial panel leaves the field around its edges", "Diminishing returns with layers — four layers add 13 dB over one, so the geometry and the distance to the source matter more than stacking material", "Kinking, folding or mechanical shock reduces permeability permanently and invisibly", "Declared per flat layer in a laboratory fixture; an installed result has to be verified with a gaussmeter before and after", "No RF claim: this is a power-frequency magnetic-field product" ], "related": [ "shielding:high-permeability-alloy", "quantities:attenuation", "quantities:magnetic-flux-density" ] }, "sources": [ { "id": "yshield-product-overview", "title": "YSHIELD product overview with technical data and shielding attenuation", "publisher": "YSHIELD GmbH & Co. KG", "url": "https://www.yshield.de/pdf/YSHIELD-Produktuebersicht-Productoverview.pdf", "year": 2026, "kind": "manufacturer", "retrieved": "2026-08-12" } ], "links": { "self": "https://emfbase.com/api/materials/yshield-m6l-9x", "html": "https://emfbase.com/materials/yshield-m6l-9x", "markdown": "https://emfbase.com/materials/yshield-m6l-9x.md", "collection": "https://emfbase.com/api/materials" } } ] }