K4788 EPDM Round Cord Cross Section Actual 0.5 in Overall Diameter 1/2 in Color Black Material EPDM Durometer 70A Standard Maximum Temperature 300 Degrees F Minimum Temperature -65 Degrees F Overall Length 50 ft Tensile Strength 1 500 psi Round Abrasion Resistance Good Chemical Resistance Good Oil Resistance Poor Water Resistance Excellent Weather Resistance Excellent Cross Section Fractional 1/2 in