Sefar Inc.
Shielding
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The SEFAR PowerShield fabrics are hybrid woven fabrics consisting of PET and copper monofilaments.
The SEFAR PowerShield fabrics are hybrid woven fabrics consisting of PET and copper monofilaments.
SEFAR PowerShield fabric properties
Electrically insulated surface
Soft: can be placed close to the surface that needs to be shielded
Light weight (< 90 g/m²)
Thin (0.1 mm)
High air permeability (> 8000 l/m²/s)
Semi-transparent
SEFAR PowerShield benefits
Large shielding areas (> 1 m width, unlimited length)
Electromagnetic field attenuations up to 40 dB
Can be laminated into customer's product
At a typical WLAN frequency of 2.4 GHz, over 30 dB can be reached, which means that over 99.9% of the signal is blocked.