Xov xwm kev lag luam
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Lub hnab twg yog qhov zoo tshaj plaws rau khov zaub mov?
Hom Lub Freezer Hnab 1. PE Cov Khoom Siv Hnab PE (polyethylene) cov hnab ntim khoom yog qhov kev xaiv zoo tshaj plaws rau cov khoom noj khov vim lawv cov khoom sib khi zoo thiab ua haujlwm ntev. Lawv zoo tiv thaiv kom tsis txhob ya raws thiab lub freezer hlawv. PE ziplock hnab yooj yim siv thiab khaws cov zaub mov tshiab kom ntev dua. Pros: Muaj zog s...Nyeem ntxiv -
Dab tsi yog qhov zoo ntawm PE hnab?
PE hnab yas luv luv rau polyethylene. Nws yog ib qho thermoplastic resin polymerized los ntawm ethylene. Polyethylene tsis muaj ntxhiab tsw thiab zoo li siv quav ciab. Nws muaj qhov kub thiab txias tsis kam (tsis tshua muaj kub siv qhov kub thiab txias tuaj yeem ncav cuag -70 ~ -100 ℃), tshuaj lom neeg ruaj khov, zoo ...Nyeem ntxiv
