I-PP luhlobo lwepolymer engeyotyhefu, engenavumba, engenancasa enecrystallization ephezulu, indawo yokunyibilika phakathi kwe-164-170 ℃, ingxinano phakathi kwe-0.90-0.91g/cm3, ubunzima bemolekyuli bumalunga nama-80,000-150,000.I-PP yenye yezona plastiki zikhaphukhaphu kuzo zonke iindidi ezikhoyo ngoku, ngakumbi zizinzile emanzini, kunye nesantya sokufunxa emanzini kwiiyure ezingama-24 kuphela yi-0.01%