... rubbers. The major properties of EPDM granules are as follows:1. Excellent chemical stability: a) Excellent ozone resistance: it doesn't ... - IAAF EPDMTechnical data: Property Value/ToleranceUnit Test method Density 1,6 +/-0,03 [g/cm3] PN-ISO2781+AC1:1996 Hardness 60 +/-5 ... :1998 Bulk 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 ...