| - PHYSICAL PROPERTIES (Tested to ASTM F104 procedures) <3mm >3mm Hardness, IRHD 75 to 85 65 to 85 (ASTM D1415) Tensile strength, MPa min 1.75 1.75 (ASTM F152) Compressibility @ 2.8N/mm2, % 15 to 25 20 to 30 (ASTM F36) Recovery, minimum % 75 75 (ASTM F36) Fluid resistance, % volume swells in: ASTM oil 1, 72h @ 100°C –3 to +10 0 to +10 (ASTM F146) ASTM oil 3, 72h @ 100°C 0 to +25 +10 to +30 (ASTM F146) Fuel A, 22h @ ambient –5 to +10 0 to +15 (ASTM F146) BS148 Transformer Oil, 14 days @ 90°C +23.1 +8 (ASTM ...
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