Jinneng550J jẹ Homopolymer PP jẹ awọn patikulu translucent funfun, ti kii ṣe majele, aini itọwo ati polima ina, iwuwo 0.9 ~ 0.91g/cm³, jẹ iwuwo ti o kere julọ ti awọn pilasitik gbogbogbo.Rigidity ti o dara, resistance resistance, lile lile, ipa otutu giga.