PPR-MT75 yog ib qho polypropylene copolymer random. Nrog rau kev faib tawm random ntawm co-monomerethylene hauv polypropylene saw ntu, PPR-MT75 muaj kev pom tseeb siab, tiv taus cua sov zoo thiabkev ua tau zoo rau kev txhaj tshuaj. Cov resin no tshwj xeeb tshaj yog rau kev tsim khoom nojthawv / khob phab ntsa nyias.