... size, color and gel content are available on request.5. EPDM content: EPDM content is precisely to be contained ... Property Value/ToleranceUnit Test method Density 1,6 +/-0,03 [g/cm3] PN-ISO2781+AC1:1996 Hardness 60 ... +/-5 [0Sh A] PN-80/C-04238 Tensile strength >5 [MPa] PN-ISO 37:1998 ... 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 670 +/-10 ...