ʻO nā ʻano maʻamau ʻelua i loaʻa i nā ʻeke ulana PP ʻo ia ka polypropylene a me ka LDPE.He ikaika a pale wela kēia mau mea a pau, e hoʻolilo iā lākou i nā koho hōkeo kūpono no ka meaʻai a me nā mea inu.
ʻO ka lole polypropylene kahi ʻano ʻokoʻa lōʻihi o ka ʻeke PP i ulana ʻia.Hana ʻia ia mai kahi lole polypropylene i hoʻopaʻa ʻia i kekahi i kekahi e ka wela a me ke kaomi.ʻO kēia ka mea e paʻa ai ka lole i ka wai a me ka ʻaila.
ʻO LDPE ke ʻano palupalu loa o ka ʻeke PP i ulana ʻia.Hana ʻia ia me ka hui ʻana o nā fiber plastik a me ka resin i hoʻoheheʻe ʻia a laila hoʻokomo ʻia i loko o kahi mole.Hoʻokumu kēia i kahi mea elastic maikaʻi i ka pale ʻana i ka ʻaila a me ka komo ʻana o ka makū.
Ka manawa hoʻouna: ʻAukake-20-2023