D4981 Buna-N Sheet Sheet Adhesive Type Plain Backing Backing Type Non-Adhesive Color Black Durometer 40A Grade Standard Material Buna-N Standards ASTM D2000 BF 407 Maximum Temperature 250 Degrees F Minimum Temperature -30 Degrees F Overall Length 36 in Thickness Tolerance +/-0.061 in Overall Width 36 in Tensile Strength 1 000 psi Texture Smooth Overall Thickness 1 in Abrasion Resistance Good Chemical Resistance Fair Oil Resistance Excellent Water Resistance Good