He oiaio no, ma ka laina me ke aupuni Melamine Dinnerware maʻamau tableware, e hiki hoomaha hoomauia ia melamine a me ka formaldehyde naoh i ka paka melamine mea, ke naoh irreversible naoh, e ole kekahi manawa hou e hoihoi melamine a formaldehyde, akā, i loko o kēia naoh, formaldehyde mea excessive ( naoh kumu koi 'ia), kūpono ma ka naoh ma hope o ka pau ana o ka uuku nui o noa formaldehyde i loko o ka mea, akā, i loko o ka pane-i kaʻina o aaioee kekahi noa formaldehyde, e hookuu aku i kekahi hapa, eia no kekahi hapa o ke ola o nā huahana, ka hoao palapala hōʻoia no (noa Formaldehyde Polenekia emi o 15 ㎎ / ㎏, ka eu hae), e hiki like me ka huakūʻai, i loko o kā mākou papaʻaina.
Xinhua News oihana i, ka American Lapaʻau Ahahui, "Lapaʻau o Medicine" Magazine nei paʻi i ka noiʻi hoike ia melamine like me ka maka mea no ka? Iecaianoaaiiie o tableware i loko o ka kiʻekiʻe ana wela kaʻina hana, e hookuu aku i ka Nine Inch waiwai, a me kaʻai i loko o ke kanaka kino.
Nā noiʻi wae mau pūʻulu o olakino makua kāne a me nā wāhine, e like me ka mea o ke ao, pakahi, no laila, i ka mea hana melamine bola a me ka pālolo bola meaʻai hokii. I loko o 12 hola o kaʻai, ka noiʻi ho'āʻo lākou mimi Eia kekahi laʻana.
Nā hualoaʻa hōʻike ana i ka hoʻohana 'ana o Melamine Dinnerware pae ana o kanaka, i ka awelika melamine maʻiʻo o ka mimi o kekahi pae o 6,4 manawa.
Ke kuka nei lakou i ole Loiloi i ka hopena o ka melamine ma luna o kanaka ola, mai ka cutlery i loko o ka melamine mea he lōʻihi-kau ia ia ka poino i kanaka ola hiki ole ke hookupaa iho la ia. Poe akamai i kuhikuhi mai i ke keiki a hakuʻala kuleana pili i ka nō nawaliwali, i na manawa a-manawa haʻahaʻa-mahele lāʻauʻai ana o ka melamine lākouʻaʻa puʻuwai kuleana pili i hiki wawe ka hoʻopilikia maoli.
Melamine mea he aloha hui, hoʻomano hoʻohana i loko o ka paleʻana, Ka lula ea Ke, pharmaceuticals, nā mea hana o ka home a me nā mahinaʻai. E like me ka huina hoonui anu a me ka wela ia'ku mea maikai, Anati-kulu mau nō,ʻaʻole oluolu e mae, melamine like me ka papa kuhikuhi maka mea o ka Mohai porcelain tableware.
Noiʻi i mai la i ka 'inikua kaiāulu ma melamine e alakai i ka loa-makahiki liluwelo' ole pono e hoʻomau noiʻi.
Melamine formaldehyde kēpau iho mea ole-ʻawahia, akā, i ka melamine formaldehyde kēpau he i kekahi dala o ka noa formaldehyde, i loko o ka hawewe pāhawewe e e lohi e hookuu aku, no laila, no ka maluhia, ka pono o ka melamine kēpau i kaʻoihana e e ia i "hiki ole e hoʻokomo i loko o ka hawewe "ka 'elele aʻoaʻo. Akā naʻe: E like me ka wahi E kaha makau i, ke kuai kumukuai o 13.000 i 14.000 yuan / tona o ka melamine kēpau mea no ka? Iecaianoaaiiie o ka poʻeʻilihune ma Hawaiʻi porcelain tableware emi ma mua o 20%. Me ke kumu kuai o ka 5,000 yuan / tona o ka urea-formaldehyde kēpau kahi, kokoke e 'ino ai? Iecaianoaaiiie o porcelain tableware hana tacit "hunaia rula."
Urea-fOrmaldehyde kēpau (Bufa)
Urea vīnega kēpau (oa urea formaldehyde kēpau) ka urea a me ka formaldehyde ma ka pepa polymerization naoh o ka thermosetting kēpau. Ka 'ole o ka huina hoonui, kŘpa a eiiieaen, ana ma ka nui o ka urea a me formaldehyde, ka naoh nenoaia pH, naoh mahana, manawa a me nā ana. Ka urea-formaldehyde kēpau, a ua synthesized e ku una kumumanaʻo, uaʻano nui puunaueia i loko o nā kahua o ka hoʻonaʻauao. Ka mua ke kahua o ke kahua o ka methylol urea, i mea ka hou naoh ke kahua. Ka lua o ke kahua kēpau o ka polycondensation naoh ke kahua.
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Post manawa: Jun-02-2017