A na-enwekarị triangle nwere akụ na ala nke iko rọba, ma enwere ọnụọgụ na triangle.Ndị nnọchi anya akọwapụtara bụ ndị a
Nke 1 PET polyethylene terephthalate
Common ịnweta mmiri karama, carbonated ihe ọṅụṅụ karama, wdg Okpomọkụ na-eguzogide 70 ℃, mfe deform, na bekee na-emerụ ahụ mmadụ gbazee si.Mba. 1 rọba nwere ike hapụ carcinogen DEHP ka ọnwa 10 gachara.Etinyela ya na anyanwụ n'ime ụgbọ ala;Ejila mmanya na-aba n'anya, mmanụ na ihe ndị ọzọ
No.2 HDPE elu njupụta polyethylene
Karama ọgwụ ọcha a na-ahụkarị, ngwaahịa nhicha (Mpempe mmiri ịsa efere), ngwaahịa ịsa ahụ.Ejila ya dị ka iko mmiri ma ọ bụ ihe nchekwa maka ihe ndị ọzọ.Ejigharịla ma ọ bụrụ na ihichachabeghị.
No.3 PVC polyvinyl chloride
Uwe mmiri ozuzo na-emekarị, ihe ụlọ, ihe nkiri plastik, igbe plastik, wdg. Ọ nwere ezigbo plasticity na ọnụ ala dị ala, ya mere a na-eji ya eme ihe.Ọ nwere ike iguzogide 81 ℃ Ọ dị mfe ịmepụta ihe ọjọọ na oke okpomọkụ, ọ naghị adịkarịkwa eji nkwakọ ngwaahịa nri.O siri ike ihicha ma dị mfe ịnọgide.Ejila megharịa.Azụla ihe ọṅụṅụ.
No.4 PE polyethylene
Ihe nkiri a na-edebe ọhụrụ, ihe nkiri plastik,Karama mmanụ, wdg.A na-emepụta ihe na-emerụ ahụ na oke okpomọkụ.Mgbe ihe ndị na-egbu egbu na-abanye n'ahụ mmadụ na nri, ha nwere ike ịkpata ọrịa kansa ara, nkwarụ nwa ọhụrụ na ọrịa ndị ọzọ.Etinyela ihe mkpuchi plastik na oven microwave.
No.5 PP polypropylene
Kalama soymilk nkịtị, karama yogọt, karama ihe ọṅụṅụ mkpụrụ osisi, igbe nri nri oven microwave.Ebe mgbaze dị elu dị ka 167 ℃.Ọ bụ naanị yaplastic nri akpanke enwere ike itinye n'ime oven microwave ma enwere ike iji ya mee ihe mgbe ejiri nlezianya kpochaa ya.Ekwesiri iburu n'uche na maka igbe nri nri ehihie nke oven microwave, a na-eme igbe ahụ nke Mba 5 PP, ma a na-eme mkpuchi igbe nke No. 1 PE.N'ihi na PE enweghị ike iguzogide oke okpomọkụ, enweghị ike itinye ya na oven microwave yana ahụ igbe.
No.6 PS polystyrene
Otu efere a na-ahụkarị nke igbe noodles ozugbo, igbe nri ngwa ngwa.Etinyela ya n'ime oven microwave iji zere ịhapụ kemịkalụ n'ihi oke okpomọkụ.Mgbe ebuchara acid (dị ka ihe ọṅụṅụ oroma) na ihe ndị dị na alkaline, a ga-eresị carcinogens.Zere ịkwakọba nri dị ọkụ n'igbe nri ngwa ngwa.Ejila efere noodles ozugbo na oven microwave.
No.7 PC ndị ọzọ
Karama mmiri nkịtị, iko oghere, karama mmiri ara ehi.Ụlọ ahịa na-ejikarị iko mmiri mee ihe a dị ka onyinye.Ọ dị mfe ịhapụ ihe na-egbu egbu bisphenol A, nke na-emerụ ahụ mmadụ.Ejila ya kpoo ọkụ mgbe ị na-eji ya, na akpọkwala ya ozugbo na anyanwụ
Oge nzipu: Jul-29-2022