I-PPR-MT75 yi-polypropylene ye-copolymer engacwangciswanga. Ngokusasazwa okungacwangciswanga kwe-co-monomeri-ethylene kwi-polypropylene chain segment, i-PPR-MT75 inokukhanya okuphezulu, ukumelana nobushushu okuhle kwayeukusebenziseka lula xa kufakwa inaliti. I-resin ifanelekile ngokukodwa kwimveliso yokutyaisikhongozeli/iikomityi zodonga ezibhityileyo.