(F) 212 Degrees F, Durometer 60A, Elongation 260 Percent, Tensile Strength (PSI) 900 psi, Standards ASTM D2000 M6AA607, General Purpose, Package Quantity 25 (E) 1 1/4 in, Rubber Material SBR, MS 35489 Number 80, AN 931 Number B14-20, Rubber Color Black, Min.