Wool Felt Strip, Material Wool Felt, Shape Strip, Length 12 in, Width 1 1/2 in, Thickness 1/4 in, Backing Type Adhesive, Adhesive Type Acrylic, Durometer 30A to 40A, Wool Content 95 Percent, Density 4 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 500 psi, Grade F1, Vibration Absorption High, Standards -, Abrasion Resistance Excellent