Ke kuleana o ka mea hoʻopaʻa paʻakai alakaʻi PVC

ʻO ka mea hoʻopaʻa paʻakai kēpau PVC kahi mea hoʻopaʻa wela i hoʻohana pinepine ʻia i ka hana ʻana o ka polyvinyl chloride (PVC), ka mea e kāohi nui i ka hoʻohaʻahaʻa wela o nā mea ma o ka omo ʻana i ka hydrogen chloride i hana ʻia e ka decomposition PVC a me ka hoʻololi ʻana i nā ʻātoma chlorine paʻa ʻole. Eia nā ʻano o kāna noi:
Nā wahi noi nui: nā huahana PVC paʻakikī opaque
Hoʻohana nui ʻia nā mea hoʻopaʻa paʻakai kēpau i ka hana ʻana i nā huahana PVC opaque a paʻakikī e like me nā uea a me nā kaula, nā paipu, a me nā ʻaoʻao ma muli o ko lākou kumukūʻai kiʻekiʻe a me ke kūpaʻa wela maikaʻi. He maikaʻi loa kona insulation uila, kūpono loa no nā hiʻohiʻona ʻoihana ʻaʻole pono ka transparency kiʻekiʻe.
Nā pono o nā mea hoʻopaʻa paʻakai alakaʻi hui: Hoʻohana nā mea hoʻopaʻa paʻakai alakaʻi hui i ka ʻenehana hopena symbiotic e hoʻoheheʻe i ka paʻakai alakaʻi me nā lubricants, e hana ana i kahi ʻōnaehana lepo ʻole granular, e hoʻomaikaʻi ana i ka dispersibility a me ka hōʻemi ʻana i ka haumia lepo, e lilo i hopena lepo ʻole no ka ʻoihana PVC. Hiki i kēia ʻano huahana ke hoʻomaikaʻi i ke kahe ʻana o ka mea a me ke ʻano o ka huahana i ka hana ʻana o nā paipu PVC paʻakikī, nā pepa, a me nā mea ʻē aʻe.
Nā Palena a me nā ʻAno ʻē aʻe
Palena ʻona: ʻO ke ʻano o ka loaʻa ʻana o ke kēpau metala kaumaha e kau ai i nā kapu paʻa i kona hoʻohana ʻana ma nā wahi me nā koi hoʻomaʻemaʻe kiʻekiʻe e like me ka ʻōpala meaʻai a me nā mea lapaʻau.
Hoʻololi kaiapuni: Me ka hoʻopaʻa ʻana o nā lula kaiapuni (e like me ke kāohi ʻana o Kina i ka hoʻohana ʻana i nā mea hoʻopaʻa paʻakai kēpau i nā mea kūkulu PVC mai ka makahiki 2012), ua lilo mālie nā mea hoʻopaʻa aloha kaiapuni e like me ka organotin a me ka calcium zinc i mau koho ʻē aʻe.
Palena hana kūikawā: Hiki i nā mea hoʻopaʻa paʻakai kēpau ke hoʻopilikia i ka hana o nā mea hoʻohua ADC, no laila ʻaʻole kūpono lākou no ka hana ʻana o ka ʻili synthetic PVC e pono ai ke hana ʻana i ka hoʻohua.
Nā ʻAno Maʻamau a me nā Hoʻohana Hui Pū ʻia
ʻO nā paʻakai alakaʻi monomeric: e like me ka trisodium lead sulfate (me ke kūpaʻa wela maikaʻi loa), dibasic lead phosphite (me ka hana antioxidant), a pēlā aku.
ʻŌnaehana hui: Hoʻohana pinepine ʻia nā ʻano paʻakai kēpau he 2-3 i ka hana maoli e kaulike i ke kūpaʻa wela, ka hana hana, a me ke kumukūʻai. Ke hoʻomau nei ka hoʻopili ʻia ʻana o nā mea hoʻopaʻa hui ma kekahi mau kahua ma o nā ʻano hana i hoʻomaikaʻi ʻia (loaʻa iā 20% -60% kēpau) a me nā kaʻina hana.
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