Buna-N Sheet Sheet Adhesive Type Acrylic Backing Type Adhesive Color Black Durometer 50A Grade Standard Material Buna-N Standards ASTM D2000 BF 507 Maximum Adhesive Temperature 230 Degrees F Maximum Temperature 250 Degrees F Minimum Adhesive Temperature -30 Degrees F Minimum Temperature -30 Degrees F Overall Length 18 in Thickness Tolerance +/-0.026 in Overall Width 18 in Tensile Strength 1 000 psi Texture Smooth Overall Thickness 0.25 in Abrasion Resistance Good