PP-R, MT05-400L (RP340R) ni polypropilene idasanzwe ya cololymer ifite amazi meza, ikoreshwa cyane mugutera inshinge. RP340R ifite ibiranga gukorera mu mucyo mwinshi, urumuri rwinshi, kurwanya ubushyuhe bwo hejuru, hamwe no gutera inshinge nziza. Ibicuruzwa byatsinze ibizamini bya YY / T0242-2007 na GB 4806.6-2016 bipimisha ibiryo n'ibiyobyabwenge.