Txhawm rau xaiv lub hnab Pe zoo, xav txog cov hauv qab no:
Cov khoom siv: PE hnab yog ua los ntawm polyethylene (PE), uas muaj kev nyab xeeb, tsis muaj kev nyab xeeb, ua rau nws zoo tagnrho rau khoom noj khoom haus. Xyuas kom cov khoom siv dawb huv thiab dawb ntawm cov tshuaj muaj kuab lom.
Thickness: PE Hnab tuab yog feem ntau ntsuas hauv "xov." Lub teeb yuag xws li cov khoom siv me me tuaj yeem ua tiav nrog lub hnab thinner. Cov khoom hnyav xws li cov khoom qhuav thiab cov cuab yeej yuav tsum muaj cov hnab tuab nrog ob npaug 16 xyoo, 20-xov, lossis 30-xov cov ntaub thiab kev tiv thaiv.
Qhov loj me: Xaiv qhov loj me ntawm koj lub hnab PE raws qhov loj me ntawm koj cov khoom. Mini hnab yog qhov zoo rau cov hniav nyiaj hniav kub me me, cov hnab khoom txhua hnub yog tsim nyog rau A4 cov ntaub ntawv thiab khoom noj khoom haus yog qhov zoo tshaj rau khau thiab khoom siv hluav taws xob loj.
Soj Ntsuam Zoo:
Smoothness thiab transparency: lub siab - Zoo PE Hnab yuav tsum muaj cov pob zeb du, tsis muaj cov ntsiab lus kom pom meej.
Cov khoom sib thooj xim: Cov xim yuav tsum muaj kev sib thooj thiab ua kom zoo sib xws, yam tsis muaj xim sib txawv lossis pob.
Imurities thiab npuas: Xaiv lub hnab rau impurities, npuas, thiab lwm yam tsis xws luag.
Zipper Zoo: rau PE Zipper Hnab, lub zipper yuav tsum tau du thiab qhib tau yooj yim, tsis yog lo lossis tawg.
Sealing kev ua tau zoo: lub hnab yuav tsum tsis txhob txau tom qab sib khi.
Cov ntxhiab: Ib lub hnab tsim nyog PE yuav tsum tsis muaj ntxhiab tsw. Yog tias muaj tus ntxhiab pungent tau kuaj pom, nws yuav qhia tau tias siv cov khoom siv ua kom qis dua lossis cov tshuaj ntxiv.
Hom Tshuaj: Xaiv cov khoom los ntawm cov npe nrov, raws li cov hom npe feem ntau ua ntu zus ua kom zoo thiab kev nyab xeeb, txo qis kev pheej hmoo ntawm kev siv.
