I-Jinneng550J yi-Homopolymer PP ngamasuntswana amhlophe aguquguqukayo, angenatyhefu, angenancasa kunye nepolima ekhanyayo, ubuninzi be-0.9 ~ 0.91g/cm³, yeyona nto iphantsi yoxinano lweeplastiki ngokubanzi.Ukuqina okuhle, ukumelana nokunxiba, ubunzima obuphezulu, ifuthe lobushushu obuphezulu.