Zaj duab xis tshuab tshuab ua rau zaj duab xis vim nws txoj kev sib txuam khoom zoo, tshiab, damp, Te thawv, cov pa oxygen, roj tsis ua haujlwm, tuaj yeem siv rau cov teeb thiab hnyav pob. Xws li cov txiv hmab txiv ntoo tshiab, nqaij, cov khoom noj, cov mis tshiab, dej haus, siv hauv cov khoom xws li cov khoom siv kho mob. Rau qhov yooj yim ntawm daim nyias nyias thiab niaj hnub tshuab raj blowing tshuab, zaj duab xis tshuab tshuab xav tau kev pom qhov kub thiab txias, ces yuav ua li cas yuav tswj tau qhov kub thiab txias.
Raws li lub hom phiaj ntawm melting yas, lub tshuab zaj duab xis extruder screw faib rau hauv peb seem: pub, melting, homogenizing seem. Nyob rau hauv lub pub ntawm xaus rau hauv lub melting pib, raws li qhov kev xav ntawm melting, nws yuav tsum tau khiav ceev kub. Blown rege ntws kub PP: 164-175 degrees, PE: 105-135 degrees, PA: 195-210 degrees Celsius. Txiav txim seb qhov zoo ntawm ib puag ncig.
