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Swiss Shield Evo-Ultra
Product #: SLT-1332

Externally Conductive Polyester Shielding Fabric - Radio Frequency / Microwave shielding effectiveness of 99.97% or 35 dB at 1000 MHz (1 GHz) and 97% effective up to 10 000 MHz (10 GHz).  (Width = 200 cm or 78.7 in)
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Evo-Ultra is our first externally conductive and groundable fabric providing the option to reduce low frequency electric fields in addition to Radio Frequency / Microwave Radiation 

  • Premium semi-transparent polyester fabric (gray)
  • Silver/copper filament is coated with carbon therefore it is electrically conductive and can be grounded providing shielding of low frequency electric fields
  • Crease Resistant
  • Ideal for curtains to shield windows or bed canopies
  • Designed and manufactured in Switzerland
  • OEKO-TEX Certified as a skin friendly textile and free from harmful substances
  • Used for shielding large surfaces (walls and windows) from high frequency electromagnetic waves and low frequency electric fields when grounded
  • Radio Frequency Shielding Effectiveness 99.97% or 35 dB at 1000 MHz and 97% effective up to 10 GHz
  • Effective shielding for cell towers, cordless phones, security systems, wireless routers and more
  • Easy care - Machine Washable, with no loss in protection.  See fabric care guidelines for specific cleaning and maintenance instructions.
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Supplied With:

- Desired Quantity of Fabric

Technical Data:


Width / Length:

200 cm (78.7 inches) +/- 1 inch / by the linear meter or linear foot


Sheer, Light Gray


Washable, colourfast


Hand wash in cold water, hang to dry

Raw Materials:

81% polyester, 14% copper, 1% silver, 1% carbon


MIL-STD 285, NSA 65-6, Öko-Tex Standard 100+1000

Shielding Characteristics:

99.97% or 35 dB at 1000 MHz

Surface Conductivity

Electrically conductive – can be grounded


Washing and Drying Care

See downloadstab: Fabric and Installation Guide

Installation and Care Instructions for Swiss Shield Fabrics
OEKO-TEX Human Ecological Safety Certificate
Shielding results for Swiss Shield Evo-Ultra at various frequencies
Swiss Shield Evo-Ultra RF Shielding Performance
Swiss Shield Evo-Ultra Spec. Sheet