I-Polypropylene, uhlobo lwe-polymer ye-opalescent engenabungozi, engenavumba, engenancasa enekristale ephezulu, indawo yokunyibilika phakathi kwe-164-170℃, uxinano phakathi kwe-0.90-0.91g/cm3, ubunzima bemolekyuli bumalunga nama-80,000-150,000. I-PP yenye yeplastiki ekhaphukhaphu kuzo zonke iintlobo okwangoku, izinzile ngakumbi emanzini, kwaye izinga lokufunxwa kwamanzi emanzini iiyure ezingama-24 yi-0.01% kuphela.