Rubber Sheet, Sheet, Adhesive Type Plain Backing, Backing Type Non-Adhesive, Color Black, Durometer 40A, Grade High Strength, Material Buna-N, Standards ASTM D2000 BF 410, Maximum Temperature 250 Degrees F, Minimum Temperature -30 Degrees F, Overall Length 12 in, Thickness Tolerance +/-0.035 in, Overall Width 12 in, Tensile Strength 1,500 psi, Texture Smooth, Overall Thickness 0.375 in, Abrasion Resistance Good, Chemical Resistance Fair, Oil Resistance Excellent, Water Resistance Good