Puas yog cov zaj duab xis kub yaj nplaum muaj cov tshuaj lom neeg xws li formaldehyde?
Cov khoom tseem ceeb ntawm cov zaj duab xis kub yaj nplaum yog cov polymers molecular siab, uas yog, polyamide, polyurethane thiab lwm yam ntaub ntawv.
Lawv muaj qib siab ntawm polymerization, yog li lawv tsis ua teeb meem rau tib neeg lub cev. Tib lub sijhawm, cov zaj duab xis kub yaj nplaum ntub
qhov saum npoo ntawm cov khoom uas lo rau los ntawm kev cua sov thiab yaj, thiab nws tsis xav tau cov kuab tshuaj los pab ua kom cov khoom ntub.
Yog li ntawd, cov zaj duab xis kub yaj yog cov nplaum zoo rau ib puag ncig uas tsis muaj formaldehyde lossis cov kuab tshuaj.
Lub sijhawm tshaj tawm: Lub Yim Hli-17-2021