Shielding attenuation: Attenuation of 39 dB (shielding effectiveness of 99.98 %) in one layer, attenuation of 46 dB (shielding effectiveness of 99.995 %) with two layers 1 OZ. Bottle Color: black Attenuation: typically 39 dB per layer Resistivity: ~10 Ohm Per Sq. Foot Minimum application temperature: +1°C / 33.8°F Shelf Life: 15 months, unopended RoHS Compliant Requires grounding like any other RF shielding material.

• Very effective for blocking
• Cell phone signals, CB, TV, AM, FM signals,
• Radio frequency radiation and Microwaves.
• Tested highly effective up to 18 GHz!
• VERY QUICK DRY

Very effective for blockingUSA