BF MATERIALS BASIC REQUIREMENTS Tensile Strength, min Durometer Hardness, ± 5 Points Mpa psi Ultimate Elognation, min. % Heat Aged, ASTM D 573, 70 h at 70 ° C Oil Immersion, ASTM D 471, No. 3 Oil, 70 h at 70 ° C Compression Set, ASTM D 395, Solid, max. %; 22 h at 70 ° C Available Suffixes Grade Numbers 60 3 435 200 2 60 6 870 200 2 60 7 1015 250 2 60 8 1160 250 2 60 10 1450 300 2 60 14 2031 350 2 60 17 2466 350 2 70 3 435 150 2 70 6 870 150 2 70 7 1015 200 2 70 8 1160 200 2 70 10 1450 250 2 70 14 2031 250 2 70 17 2466 300 2 80 3 435 100 2 80 7 1015 100 2 80 10 1450 125 2 80 14 2031 125 2
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