He polymer crystalline keʻokeʻo waiū ʻaʻohe mea ʻawahia, ʻala ʻole, a ʻono ʻole hoʻi ka Polypropylene me kahi kiko heheʻe o 164 ~ 170° C, kahi density o 0.90-0.91g/cm%, a me ke kaumaha molekala ma kahi o 80,000 a 150,000. ʻO ia kekahi o nā ʻano plastik māmā loa i kēia manawa. He paʻa loa ia i ka wai, a ʻo kona helu omo wai i loko o ka wai no 24 mau hola he 0.01% wale nō6.
