I-PPR-MT75 i-polymer polypropylene engahleliwe. Ngokusasazwa okungahleliwe kwe-co-monomerI-ethylene kwi-polypropylene chain segment, iPPR-MT75 inokucaca okuphezulu, ukumelana nobushushu obuhle kunyeukuqhubekeka kwisicelo sokutofa. I-resin ifaneleke ngokukodwa ukuveliswa kokutyaisikhongozeli/iikomityi zodonga ezibhityileyo.