Lub hnab cia mis nyuj, tseem hu ua lub hnab khaws mis nyuj niam, lub hnab mis nyuj niam. Nws yog ib yam khoom yas siv rau kev ntim khoom noj, feem ntau yog siv los khaws mis nyuj niam. Cov niam tuaj yeem tso cov mis nyuj thaum cov mis nyuj txaus, thiab khaws cia rau hauv lub hnab cia mis nyuj rau hauv lub tub yees lossis khov, yog tias cov mis nyuj tsis txaus yav tom ntej lossis tsis tuaj yeem siv rau kev pub mis rau tus menyuam raws sijhawm vim yog kev ua haujlwm thiab lwm yam. Cov khoom siv ntawm lub hnab cia mis nyuj feem ntau yog polyethylene, tseem hu ua PE. Nws yog ib qho ntawm cov yas siv dav tshaj plaws. Qee lub hnab cia mis nyuj muaj cim nrog LDPE (polyethylene qis qis) lossis LLDPE (polyethylene qis qis qis) ua ib hom polyethylene, tab sis qhov ceev thiab cov qauv sib txawv, tab sis tsis muaj qhov sib txawv ntau hauv kev nyab xeeb. Qee lub hnab cia mis nyuj kuj tseem yuav ntxiv PET kom ua rau nws zoo dua. Tsis muaj teeb meem nrog cov ntaub ntawv no lawv tus kheej, qhov tseem ceeb yog saib seb cov khoom ntxiv puas muaj kev nyab xeeb.
Yog tias koj xav tau khaws cov kua mis niam rau hauv lub hnab mis niam ntev, koj tuaj yeem muab cov kua mis niam tshiab uas nyuam qhuav muab tso rau hauv lub tub yees kom khov rau lub sijhawm ntev. Lub sijhawm no, lub hnab khaws cov kua mis yuav yog qhov kev xaiv zoo, txuag qhov chaw, ntim me dua, thiab kaw lub tshuab nqus tsev zoo dua.
PE kaw zipper,
Tsis xau dej
Txhua yam khoom raug kuaj xyuas nrog lub chaw kuaj xyuas QA zoo tshaj plaws thiab tau txais daim ntawv pov thawj patent.