ʻO ka Polypropylene (PP) kahi thermoplastic, oxygen index o 17%, no ka maʻalahi o ka puhi ʻana i nā mea polymer, no laila ʻilihune ka hana ahi, maʻalahi loa e hana i ke ahi. Ua hoʻomohala kā mākou pepa pale ahi PP i ka lapalapa ahi. ʻO ka mea PP me ka hana ahi ahi a hiki ke hoʻokō i ka maʻamau UL94, ka mea i hala i ka hōʻoia o nā ʻoihana hoʻāʻo mana, no laila e hoʻopau loa i ka pilikia huna ahi o nā mea hoʻohana.
ʻO ka polypropylene ka hoʻokumu ʻana o ka papa ʻaʻa ahi retardant, ka puʻupuʻu kumu hoʻopaʻa ahi, ka lawe ʻana i ka lapalapa ahi, ka haku kala pale ahi, anti-ultraviolet stabilizer, ma hope o ka hopena wela kiʻekiʻe a me ka coagulation a laila hana ʻia.
ʻO ka hana o ka pepa PP pale ahi: ʻoi aku ka maikaʻi o ka mākeke PP ma mua o ka pepa PP maʻamau, ʻike nui ʻia i ka pale ahi, nā mea hana ʻenekinia, nā mea kemika, nā mea hoʻomalu kaiapuni, nā lako koho koho, poloka i ka hana pale ahi, akā loaʻa nō hoʻi nā hiʻohiʻona o ka waikawa a me ka alkali, ka pale ʻana o ka oxidation, ka pale ʻana o ultraviolet, nā mea ʻawaʻawa, ʻaʻala ʻole, kala ʻole a me ka pōʻino, etc.
Ua hala kā mākou pepa pale ahi PP i ka palapala UL94. A loaʻa iā mākou ʻelua māka no nā koi o nā mea kūʻai aku: V0 a me V2 papa.
ʻO nā waiwai pale ahi maikaʻi loa;
He maikaʻi loa ka wiliwili a me ka hana ʻana i nā waiwai;
Ka ikaika hopena maikaʻi loa;
Kemika maikaʻi a me ka corrosion kū'ē;
Hiki maikaʻi ke ʻano;
ʻO ke kūpaʻa abrasion maikaʻi a me nā waiwai uila;
ʻO ke kaumaha māmā, ʻaʻohe mea ʻawaʻawa.
ʻO ka pepa pale ahi PP he hiʻohiʻona pale ahi maikaʻi a me ka ikaika hopena kiʻekiʻe a me ka ikaika kiʻekiʻe a me ka haʻahaʻa haʻahaʻa i nā māwae hoʻopaʻapaʻa e hoʻohana ʻia no nā wahi kūikawā, e like me nā ʻōnaehana ventila a me ka ʻenekini uila.