1. Ua kom lub ntim ntim, uas yog tsim nyog rau kev tsim khoom ntawm ntau kab noj hniav.Ua raws li cov kev xav tau sib txawv, nws yog qhov zoo dua rau kev tsim cov ntim, sib sib zog nqus kab noj hniav thiab kev kub ceev PET preform khoom.
2. PET tshwj xeeb ntsia hlau signifi cantly tsub kom lub melting ceev thiab txhaj ntim, txo lub plasticizing kub, zoo txhim kho lub shrinkage ntawm lub preform thiab txhim kho lub pob tshab.
3. Ua kom lub zog thimble thiab ejection stroke, uas yog tsim nyog rau kev sib sib zog nqus kab noj hniav PET preform molding.