Polystyrene yas siv dav hauv cov twj siv twj yeem, tshuaj ua lag luam thiab khoom noj txhua hnub kom ua tshuaj yej phaj, qab qab tais, xab npum, luam yeeb, tub ntxhais kav, combs, etc. Vim muaj cov roj permeability, Zaub mov ntim khoom yuav ua tau.
Polystyrene yas siv dav hauv cov twj siv twj yeem, tshuaj ua lag luam thiab khoom noj txhua hnub kom ua tshuaj yej phaj, qab qab tais, xab npum, luam yeeb, tub ntxhais kav, combs, etc. Vim muaj cov roj permeability, Zaub mov ntim khoom yuav ua tau.
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Blister Lub Teeb BoxXa kev nug
