PP-R, MT05-400L (RP340R) ni polypropylene random copolymer ifite ubushobozi bwo gutemba neza, ikoreshwa cyane cyane mu gushushanya inshinge. RP340R ifite imiterere yo kubonana cyane, kuba ndende cyane, kudashyuha cyane, no kudahindagurika neza mu gipimo cy’inshinge. Iyi mashini yatsinze ikizamini cya YY/T0242-2007 cy’ubuvuzi ndetse n’ikizamini cya GB 4806.6-2016 cy’imikorere y’ibiribwa n’imiti.