Ko te Polypropylene he kore-paitini, he hongi, he koretake hoki he miraka ma te kirikiriata teitei me te rewa o te 164~170° C, te kiato o te 0.90-0.91g/cm%, me te taumaha molecular mo te 80,000 ki te 150,000. Koia tetahi o nga momo kirihou ngawari katoa i tenei wa. He tino pumau ki te wai, a ko te tere o te whakauru wai i roto i te wai mo te 24 haora he 0.01%6 anake.