Tus kws tshaj lij PET preform txhaj tshuaj molding tshuab txawv hauv paus los ntawm lub hom phiaj dav dav txheej txheem txhaj tshuaj molding tshuab, Raws li nws tau tsim tshwj xeeb los hloov kho rau lub cev tshwj xeeb thiab tshuaj lom neeg ntawm PET resin, uas cov tshuab zoo tib yam tsis tuaj yeem ua kom haum. Cov khoom siv PET muaj qhov nqus dej siab, rhiab heev thermal degradation, tsawg yaj viscosity, thiab cov kev cai nruj rau plasticization uniformity thiab molding ceev, …