Tsis ntev los no, chav tsev LLDPE ntawm Polyolefin Center ntawm Yuneng Chemical Company tau ua tiav tsim DFDA-7042S, cov khoom polyethylene uas tuaj yeem txau tau. Nws nkag siab tias cov khoom polyethylene uas tuaj yeem txau tau yog cov khoom tau los ntawm kev txhim kho sai ntawm cov thev naus laus zis ua tiav. Cov khoom siv polyethylene tshwj xeeb nrog kev ua haujlwm txau rau ntawm qhov chaw daws qhov teeb meem ntawm kev ua haujlwm tsis zoo ntawm polyethylene thiab muaj qhov ci ntsa iab. Cov khoom no tuaj yeem siv rau hauv kev kho kom zoo nkauj thiab kev tiv thaiv, tsim nyog rau cov khoom siv rau menyuam yaus, sab hauv tsheb, cov ntaub ntawv ntim khoom, nrog rau cov thoob dej loj thiab cov chaw khaws khoom ua liaj ua teb, cov khoom ua si, cov ntaiv kev, thiab lwm yam, thiab kev cia siab ntawm kev ua lag luam yog qhov tseem ceeb heev.
Lub sijhawm tshaj tawm: Lub Xya Hli-21-2022