Pe / pa / pe thiab PE ib txheej ntim quav, yuav luag zoo tib yam nyob rau hauv cov tsos, txawm tus kws txawj nyob hauv kev lag luam yas, nws yog qhov nyuaj cais lawv raws li qhov tsos,
Kuj xws li polyethylene ntim kua qaub, alkaline zoo, tab sis tsis tiv taus ntau cov organic solvents, thiab nylon ntim cov hydrocarbons thiab organic solvents,
Feem ntau, txoj kev siv mould yog siv, thiab nws txoj kev ua piv txwv yog txiav txim siab los ntawm txoj kev ua thiab kev siv cov pwm.
① Plastics yog me me hauv qhov ceev, lub teeb zoo, thiab opaque rau pob tshab. ② yooj yim rau pwm ua, ntev li ntev tau hloov cov pwm, koj tuaj yeem tau txais ntau yam sib txawv...