Cov Zaj Duab Xis Yas (Ldpe / HDPE / CPE)
Impervious rau kua dej, polyethylene tej yam tsoos muab cov kev tiv thaiv siab tshaj plaws. Tsis zoo li polypropylene, nws zoo li yas ntxiv dua li ntaub thiab tsis muaj kev ua pa. Nws yog feem ntau siv rau ntu ntu uas yuav tsum tau ua tiav cov dej.
Ldpe--- Yog qhov qis dua version ntawm PE. Nws tau ua tau zoo heev rau dej, noo thiab feem ntau cov kuab tshuaj organic thiab tshuaj lom neeg (tshwj tsis yog cov ntsiab lus uas muaj ntxhiab lossis chlorine cov ntsiab lus). Qhov no muaj qis dua hardness, txhav thiab lub zog piv rau HDPE, tab sis kev du me me.
HDPE- yog lub siab ntom version ntawm PE. Nws yog qhov muaj peev xwm tiv taus ntau acids, Alcalis thiab cov kuab tshuaj. Kev kub siab Polyethylene yog qhov nyuaj, muaj zog thiab hnyav dua li ldpe, tab sis tsawg dua.
Same--- Chlorinated polyethylene. Nws yog hom polymer, uas tau npaj tau los ntawm cov kev xaiv hloov pauv ntawm Polyethylene thiab Chlorine nyob rau hauv kev nqis tes ua. Cov khoom muaj cov dej muaj dej zoo, roj {- Cov ntaub ntawv, kev nquag-tiv taus, ozone-resistant thiab hluav taws-resistant cov khoom.