PP, feem ntau hu uapolypropylene, kuj tseem hu ua "100 feem pua cov kua nplaum" vim nws cov pob txha zoo. PP yog ib lub pob tshab thiab semi-crystalline thermoplastic nrog lub zog siab, zoo rwb thaiv tsev, tsis tshua muaj dej nqus, siab kub-setting kub, tsawg ntom, thiab siab crystallinity. Hloov kho cov khoom siv feem ntau suav nrog cov iav fibers, cov khoom siv ntxhia, cov roj hmab thermoplastic, thiab lwm yam.
