K4791 Viton Round Cord Cross Section Actual 0.312 in Overall Diameter 5/16 in Color Black Material Viton Durometer 75A Standard Maximum Temperature 400 Degrees F Minimum Temperature -15 Degrees F Overall Length 25 ft Tensile Strength 2 250 psi Round Abrasion Resistance Good Chemical Resistance Excellent Oil Resistance Excellent Water Resistance Good Weather Resistance Excellent Cross Section Fractional 5/16 in