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ʻO ke ʻano o nā helu ma nā plastics (1)

E ʻike nā hoa makaʻala e loaʻa i ka hapa nui o nā ʻōmole plastik nā helu a me kekahi mau hiʻohiʻona maʻalahi ma luna o lākou, no laila he aha ke ʻano o kēia mau helu?
“01″: ʻOi aku ka maikaʻi o ka hoʻolei ʻana ma hope o ka inu ʻana, pale i ka wela a hiki i 70°C.Hoʻohana maʻamau i nā mea inu ʻōmole e like me ka wai mineral a me nā mea inu kalapona.ʻAʻole hiki ke hoʻopiha ʻia me ka wai wela a kūpono wale ia no nā mea inu mehana a i ʻole ka hau.ʻO nā wai wela a i ʻole ka wela e maʻalahi a hoʻoheheʻe i nā mea ʻino i ke kino o ke kanaka.
“02″: ʻAʻole ʻōlelo ʻia e hoʻohana ʻia ma ke ʻano he ipu wai, a ʻo ka pale wela he 110 ° C.Loaʻa pinepine ʻia ma nā ipu ʻilika i loaʻa nā huahana hoʻomaʻemaʻe, nā huahana ʻauʻau, a i ʻole nā ​​ʻeke plastik i hoʻohana mau ʻia i nā hale kūʻai.Hiki iā ia ke pale i ka wela kiʻekiʻe o 110 ° C, a hiki ke hoʻohana ʻia e paʻa i ka meaʻai inā e kaha ʻia no ka meaʻai.

“03″: ʻaʻole hiki ke hoʻomaʻamaʻa ʻia, pale i ka wela 81 ℃.Mea maʻamau i nā ʻaʻahu ua a me nā kiʻiʻoniʻoni plastik.Hiki i nā huahana plastik o kēia mea ke hana i ʻelua mau mea ʻawaʻawa a me nā mea ʻino, hoʻokahi ka monomolecular vinyl chloride ʻaʻole i polymerized piha i ka wā o ka hana ʻana, a ʻo ka mea ʻē aʻe nā mea ʻino i loko o ka plasticizer.He mea maʻalahi kēia mau mea ʻelua ke hoʻoheheʻe ʻia i ka wā e hālāwai ai me ke kiʻekiʻe o ka wela a me ka momona, a inā komo lākou i loko o ke kino o ke kanaka, hiki ke kumu i ka maʻi kanesa.No laila, ʻaʻole hoʻohana ʻia no ka hana kīʻaha.Inā kūʻai ʻoe i kīʻaha plastik o kēia mea, e ʻoluʻolu mai hoʻokuʻu i ka wela.
“04″: Ma luna o 110°C, e ʻike ʻia kahi hanana wela wela.Palena wela, 110°C.Hoʻohana maʻamau i ka paʻi ʻana o ke kiʻi ʻoniʻoni a me ka kiʻiʻoniʻoni plastik, ʻaʻole ikaika ka pale wela.Ke ʻoi aku ka mahana ma mua o 110 ℃, e ʻike ʻia ka hoʻoheheʻe ʻana o ka ʻili i hoʻopaʻa ʻia, e waiho ana i kekahi mau mea hoʻomākaukau plastik hiki ʻole ke hoʻoheheʻe ʻia e ke kino kanaka.Inā ʻōwili ʻia ma waho o ka meaʻai a hoʻomehana ʻia i ka manawa like, ʻoi aku ka nui o ka momona o ka meaʻai e hoʻoheheʻe i nā mea ʻino i loko o ka ʻili plastik.


Ka manawa hoʻouna: ʻAukake-12-2022