Enwere ike kewaa ngwaahịa ụmụaka n'ime uwe ụmụaka, akwa akwa ụmụaka (ma e wezụga uwe), akpụkpọ ụkwụ ụmụaka, ihe egwuregwu ụmụaka, ụgbọ ụmụaka, akwa ụmụaka, ngwaahịa kọntaktị nri ụmụaka, oche nchekwa ụgbọ ala ụmụaka, akwụkwọ akwụkwọ ụmụ akwụkwọ, akwụkwọ na ngwaahịa ụmụaka ndị ọzọ. Ọtụtụ ngwaahịa ụmụaka na-ebubata bụ ngwa ahịa iwu kwadoro.
Ihe nyocha nke iwu kwadoro maka ngwaahịa ụmụaka ndị China na-ebubata
Nleba iwu nke ngwaahịa ụmụaka na-ebubata na China na-elekwasị anya na nchekwa, ịdị ọcha, ahụike na ihe ndị ọzọ, na-achọ ichebe ahụike anụ ahụ na nke uche nke ụmụaka. Ngwaahịa ụmụaka ebubata kwesịrị ịgbaso iwu na ụkpụrụ dị mkpa yana nkọwa nka nke obodo m. N'ebe a, anyị na-ewere ngwaahịa ụmụaka anọ dịka ọmụmaatụ:
01 Ihe mkpuchi ụmụaka
N'oge ntiwapụ nke oyi baa okpueze ọhụrụ, GB/T 38880-2020 "Nkọwa nka nka nka na nkpuchi ụmụaka" ka ewepụtara ma mejuputa ya. Ụkpụrụ a dabara adaba maka ụmụaka dị afọ 6-14 ma bụrụ ọkọlọtọ izizi n'ihu ọha maka ihe mkpuchi ụmụaka n'ụwa. Na mgbakwunye na ihe ndị bụ isi a chọrọ, ihe ndị chọrọ ọdịdị ọdịdị na mkpa akara ngosi, ọkọlọtọ ahụ na-enyekwa ndokwa doro anya maka ihe ngosi teknụzụ ndị ọzọ nke ihe mkpuchi ụmụaka. Ụfọdụ ihe na-egosi arụmọrụ nke ihe mkpuchi ụmụaka dị ike karịa nke ihe mkpuchi ndị okenye.
Enwere ihe dị iche n'etiti ihe mkpuchi ụmụaka na ihe mkpuchi ndị okenye. Site n'echiche nke ọdịdị ahụ, nha nke ihe mkpuchi ndị okenye dị ntakịrị, na nha nke ihe mkpuchi ụmụaka dị ntakịrị. A na-ekpebi nhazi ahụ dịka nha ihu. Ọ bụrụ na ụmụaka na-eji ihe mkpuchi ndị okenye, ọ nwere ike ibute adịghị mma na enweghị nchebe; Nke abuo , Nguzogide ikuku nke ihe nkpuchi maka ndị okenye bụ ≤ 49 Pa (Pa), na-atụle ọnọdụ physiological nke ụmụaka na ichebe usoro iku ume ha, nkwụsị ikuku nke ihe mkpuchi maka ụmụaka bụ ≤ 30 Pa (Pa), n'ihi na ụmụaka nwere ogbenye. nnabata nke iguzogide iku ume, ma ọ bụrụ na iji ihe nkpuchi okenye nwere ike ịkpata ahụ erughị ala na ọbụna nsonaazụ dị njọ dị ka ntachi obi.
02 Na-ebubata ngwaahịa kọntaktị maka ụmụaka
Ngwaahịa kọntaktị nri ebubata bụ ngwa ahịa nyocha nke iwu kwadoro, yana iwu na ụkpụrụ dịka Iwu Nchekwa Nri na-akọwapụta ha nke ọma. N'otu oge ahụ, ngwaahịa kọntaktị nri na-ebubata kwesịkwara ịgbaso ụkpụrụ mba amanyere amanyere. Ihe eji egbutu ụmụaka na ndụdụ dị na foto a bụ nke igwe anaghị agba nchara, na efere ụmụaka bụ plastik, nke kwesịrị ịgbaso GB 4706.1-2016 "National Food Safety Standard for Food Contact Materials and Products General Safety Requirements" na GB 4706.9- 2016 "Ọkọlọtọ nchekwa nri nke mba maka ngwa igwe na ngwaahịa kọntaktị nri", GB 4706.7-2016 "Ọkọlọtọ nchekwa nchekwa nri mba maka ngwa kọntaktị plastik na ngwaahịa", ọkọlọtọ nwere ihe achọrọ maka njirimara akara, ihe ngosi mbugharị (arsenic, cadmium, lead, chromium, nickel), mbugharị mkpokọta, oriri potassium permanganate, ọla dị arọ, na ule decolorization niile nwere ihe doro anya chọrọ.
03 Ihe egwuregwu ụmụaka ebubata
Ihe egwuregwu ụmụaka na-ebubata bụ ngwa ahịa nyocha nke iwu kwadoro ma kwesị iru ihe achọrọ nke ụkpụrụ obodo amanyere iwu. Ihe ụmụaka ji egwuri egwu dị na foto a kwesịrị imezu ihe GB 6675.1-4 "Ihe achọrọ maka nchekwa ihe egwuregwu ụmụaka". Ọkọlọtọ ahụ nwere ihe doro anya chọrọ maka njirimara akara, akụrụngwa na arụrụ arụ, njirimara ire ọkụ, na mbugharị nke ihe ndị akọwapụtara. Ihe ụmụaka ji egwuri egwu eletrik, ihe egwuregwu rọba, ihe egwuregwu igwe, na ihe eji egwuri egwu ụgbọ ala na-emejuputa asambodo ngwaahịa “CCC”. Mgbe ị na-ahọrọ ihe egwuregwu ụmụaka, ṅaa ntị na ọdịnaya nke akara ngwaahịa ahụ, na-elekwasị anya na afọ ọdabara nke ihe egwuregwu ụmụaka, ịdọ aka ná ntị nchekwa, akara CCC, ụzọ egwu egwu, wdg.
04 Uwe nwa
Uwe ụmụaka na-ebubata bụ ngwa ahịa nyocha nke iwu kwadoro ma kwesị iru ihe achọrọ nke ụkpụrụ obodo amanyere iwu. Uwe ụmụaka dị na foto a kwesịrị izute ọkọlọtọ chọrọ GB 18401-2010 "Nkọwa nka nka maka akwa akwa" na GB 22705-2019 "Ihe nchekwa nchekwa maka eriri akwa ụmụaka na ihe osise". Ike mgbakwụnye, akwa azo, wdg nwere ihe doro anya chọrọ. Mgbe ị na-azụta uwe nwa, ị kwesịrị ịlele ma bọtịnụ na obere ihe eji achọ mma siri ike. A naghị atụ aro ịzụta uwe na ogologo ogologo eriri ma ọ bụ ngwa na njedebe nke eriri. Gbalịa ịhọrọ uwe na-acha ọkụ na obere mkpuchi. , mgbe ịzụrụ, saa ya tupu iyi ya na ụmụaka.
Oge nzipu: Ọgọst-26-2022