LyondellBasell Polypropylene qib Moplen HP550J B yog homopolymer ntws nruab nrab nrog cov khoom siv ib txwm muajKev faib tawm ntawm qhov hnyav molecular thiab tau tsim nrog cov pob khoom siv dav dav. Moplen HP550J B yogtsim los rau kev tsim cov yeeb yaj kiab uas tuaj yeem hloov pauv mus ua cov kab xev ncab rau kev siv ntaub.