Felt Sheet, General Purpose, Wool Felt, Backing Type Plain, Thickness 1/2 In, Width 12 In, Length 12 In, F3 Grade, Gray Color, Density 8 Lbs/Sq Yd, Min Temp Rating -80 Deg F, Max Temp 200 F, Vibration Absorption High, Abrasion Resistance Excellent, Durometer 30 to 40 Shore A, Tensile Strength 400 PSI, Hardness Firm, For Gaskets, Seals, Bumpers, Pads