I-PP-R, i-MT05-400L (RP340R) iyi-polypropylene random copolymer enoketshezi oluhle, esetshenziswa kakhulu ekubumbeni umjovo. I-RP340R inezici zokucaca okuphezulu, ukukhanya okuphezulu, ukumelana nokushisa okuphezulu, kanye nokuqina okuhle kobukhulu bomjovo. Umkhiqizo udlule ukuhlolwa kwezokwelapha kwe-YY/T0242-2007 kanye nokuhlolwa kokusebenza kokudla nezidakamizwa kwe-GB 4806.6-2016.