BULK-RS-H70MIL-35-A Buna-N Sheet, Sheet, Adhesive Type Plain Backing, Backing Type Non-Adhesive, Color Black, Durometer 70A, Grade Military, Material Buna-N, Standards MIL-R-6855 Class 1 Grade 70, Maximum Temperature 250 Degrees F, Minimum Temperature -30 Degrees F, Overall Length 36 in, Thickness Tolerance +/-0.010 in, Overall Width 12 in, Tensile Strength 2,000 psi, Texture Smooth, Overall Thickness 0.01563 in, Abrasion Resistance Good, Chemical Resistance Fair, Oil Resistance Excellent, Water Resistance Good