Wool Felt Sheet, Material Wool Felt, Shape Sheet, Length 12 in, Width 12 in, Thickness 1/2 in, Backing Type Adhesive, Adhesive Type Acrylic, Durometer 20A to 30A, Wool Content 95 Percent, Density 6 lb/sq yd, Color Off White, Maximum Temperature 200 Degrees F, Minimum Temperature -80 Degrees F, Maximum Adhesive Temperature 160 Degrees F, Minimum Adhesive Temperature -20 Degrees F, Tensile Strength 400 psi, Grade F5, Vibration Absorption Medium, Texture Unfinished, Standards -