Polyethylene (PE), tseem hu ua polythene lossis polyethene, yog ib qho ntawm cov yas siv ntau tshaj plaws hauv ntiaj teb. Polyethylenes feem ntau muaj cov qauv linear thiab paub tias yog cov polymers ntxiv. Daim ntawv thov tseem ceeb ntawm cov polymers hluavtaws no yog nyob rau hauv kev ntim khoom. Polyethelene feem ntau yog siv los ua cov hnab yas, lub raj mis, cov yeeb yaj kiab yas, cov thawv, thiab geomembranes. Nws tuaj yeem sau tseg tias ntau dua 100 lab tonnes ntawm polyethene raug tsim tawm txhua xyoo rau kev lag luam thiab kev lag luam.
Lub sijhawm tshaj tawm: Lub Xya Hli-29-2022