New Signal Blocking Material EMF RF-ID Shielding Fabric Faraday Cage 1 Meter UK
(much thicker and more than other shielding fabrics). Shielding efficiency: 70‑90 dB. Usable in wall render or concrete. Anti‑radiation (RF/ for EMI/EMF/LF blocking and for earthing). 1 × Signal Shielding Fabric.