Cov ntaub ntawv khoom
Cov ntawv luam tawm Poly cov ntawv xa khoom tsis muaj zog tsawg dua thiab tuaj yeem tau txais cov khoom ntim khoom ntau dua ntawm cov ntim khoom siv ntau zaus lossis ntim khoom ntawm ib qho ntawm ib chav. Nws muaj cov tshuaj tiv thaiv zoo, zoo acid tsis kam, alkali tsis kam, thiab ntau hom kev ua haujlwm. Organic hnyav, tsis muaj oxidation tshwm sim tom qab lub sij hawm ntev cia. Lub hnab nthuav qhia no yooj yim rau kev tsim, thiab lub zog noj yuav tsum tau ua yog qis dua li cov khoom siv hlau xws li hlau.
Cov hnab ntim poly mailer luam tawm muaj qhov pom zoo thiab xim yooj yim. Nyob rau tib lub sijhawm, nws muaj lub zog zoo, lub zog siab rau ib chav tsev qhov hnyav, cuam tshuam tsis kam, hloov kho yooj yim, thiab lub zog ntim siab rau cov tshuab siv ntau zaus. Ntxiv mus, lub hnab ntim khoom no muaj cov nqi ua haujlwm tsawg thiab kev rwb thaiv tsev zoo heev.
Cim npe nrov: luam ntawv poly mailer hnab
