Cov khoom yas xa mus rau cov yas granular, uas feem ntau muab faib ua ntau tshaj 200 hom thiab muab faib ua ntau txhiab hom.
Cov khoom siv yas feem ntau suav nrog cov yas dav dav, cov yas engineering, thiab cov yas tshwj xeeb.
Cov khoom siv dav dav: polypropylene, polyethylene, polyvinyl chloride, polystyrene, polyester, polyurethane, thiab lwm yam.
Engineering plastics: nylon, PTFE, polyoxymethylene, polycarbon silicone, thiab lwm yam.
Cov yas tshwj xeeb: thermosetting plastics, cov khoom siv ua haujlwm polymer, xws li cov khoom siv raum.