Nrog rau kev nce qib ntawm lub sijhawm, tib neeg txoj kev noj zaub mov tau hloov pauv, cov khoom noj khov tau maj mam ua nrov ntawm cov pej xeem, qhov kev thov rau cov hnab ntim khoom noj khov tau nce ntxiv, thiab cov khoom xav tau rau cov ntim khoom ntim khoom noj khov kuj tseem nce ntxiv.
Cov xwm txheej uas ntim cov khoom yuav tsum tau ua yog:
OPP / LLDPE: Cov khoom lag luam ntawm cov qauv no tuaj yeem ua tiav cov ntaub ntawv pov thawj noo noo, txias-resistant, muaj zog kub kub sealing tensile lub zog, thiab lwm yam., thiab tus nqi kuj tseem pheej yig;
NY / LLDPE: Kev ntim khoom ntawm cov qauv no tuaj yeem tiv taus khov, cuam tshuam, thiab xuas nrig ntaus. Tus nqi kuj yog siab heev, tab sis cov khoom ntim cov khoom ua tau zoo dua;
Cov qauv xws li PET / LLDPE, PET / NY / LLDPE thiab PET / VMPET / LLDPE kuj tseem siv rau hauv cov khoom khov, tab sis kev siv tus nqi kuj tsawg.