Buna-N Roll Roll Adhesive Type Plain Backing Backing Type Non-Adhesive Color Black Durometer 50A Grade High Strength Material Buna-N Standards ASTM D2000 BF 510 Maximum Temperature 250 Degrees F Minimum Temperature -30 Degrees F Overall Length 20 ft Thickness Tolerance +/-0.059 in Overall Width 36 in Tensile Strength 1 500 psi Texture Smooth Overall Thickness 0.75 in Abrasion Resistance Good Chemical Resistance Fair Oil Resistance Excellent Water Resistance Good