Buna-N Cord, Material Buna-N, Diameter 9/64 in, Length 25 ft, Color Black, Cell Type Closed Cell, Density 17 lb/cu ft, Firmness @ 25 Percent Deflection 9 to 13 psi, Shape Round, Tensile Strength 160 psi, Texture Smooth, Maximum Temperature 200 Degrees F, Minimum Temperature -40 Degrees F, Grade Standard, Chemical Resistance Good, Oil Resistance Excellent, Standards ASTM D1056 2B3, Water Resistance Excellent, Weather Resistance Good, Abrasion Resistance Fair, Compression Set 22 Percent