... Large scale commercial production began in 1963 and the current overall global consumption of EFPM are 800,000 tons ... size, color and gel content are available on request.5. EPDM content: EPDM content is precisely to be ... Value/ToleranceUnit Test method Density 1,6 +/-0,03 [g/cm3] PN-ISO2781+AC1:1996 Hardness 60 ... density 0,0–0,5 mm 450 +/-10 [g/dm3] PN-80/C-04532 0,5-1,5 mm 550 +/-10 1,0-3,5 mm ...