EPDM / EPM rabara motsoako kapa precompound-EPDM / EPM .
Ethylene propylene rabara ke maiketsetso rabara le ethylene le propylene e le monomer ka sehloohong, ho ea ka sebopeho se fapaneng sa monomer ka ketane ea limolek'hule, ho na le binary ethylene propylene rabara (ePM) le tertiary ethylene proppylene propylene rabara (EPDM), e pharaletseng ho aloa-kahala, likarolo tsa ho nepa, thepa bakeng sa thepa, thepa bakeng sa thepa, thepa bakeng sa, matlafatsa, matlafatsa, matlafatsa, e sebediswa. Ditiiso tša dikoloi, ditlaleletšo tša ditlolo le ditšweletšwa tše dingwe.