Whispermat is a sound control blanket specifically designed to absorb, attenuate, and dampen noise. Whispermat barrier composites combine dense, limp, flexible, non-lead loaded barriers with Hushcloth acoustical foams forming a total acoustical system.

Physical Properties:

Color Barrier - Black; Foam - Charcoal Grey
Density Barrier - 1/2 to 2lbs sq ft.; Foam - 2lbs cu. ft.
Tear Strength 20 lbs in min. ASTM D624, DIE C
Tensile Strength 240 lbs sq. in. min. ASTM D 412, DIE 1
Peel Strenght 2.2 lbs in. min., ASTM D903
Elongation 120%
Flammability MVSS 302, SAE J369, Special Formulation to UL-94V and FAR 25.853
Temperature Range -30 degrees Farenheit to +200 degrees Farenheit MIL-STD-810 at 250 degrees Farenheit, 7 24 hr. periods PASS
Cold Crack MIL-STD-810 at -25 degrees Farenheit, 1"e mandral PASS
Thermal Conductivity .30-.38 BTU in per hr. sq. ft. degrees Farenheit ASTM C518