ʻO PP kahi ʻano opalescent polymer non-toxic, odorless, tasteless opalescent me ka crystallization kiʻekiʻe, ka helu heheʻe ma waena o 164-170 ℃, ka nui ma waena o 0.90-0.91g/cm3, ʻO ke kaumaha molekala ma kahi o 80,000-150,000.ʻO PP kekahi o nā plastic māmā loa o nā ʻano like ʻole i kēia manawa, ʻoi aku ka paʻa i ka wai, me ka nui o ka lawe ʻana i ka wai i ka wai no 24 mau hola he 0.01% wale nō.