1. Tsis muaj. 1 PET polyethylene terephthalate
Lub raj mis dej ntxhia, carbonated haus fwj, thiab lwm yam.Heat-resistant mus rau 70 degree C, yooj yim deformed, thiab cov khoom tsis zoo yuav yaj.Tom qab No.1 cov khoom yas siv rau 10 lub hlis, nws yuav tso tawm cov carcinogen DEHP.Do tsis txhob tawm hauv tsheb; tsis txhob tuav cawv, roj, thiab lwm yam.
2. HDPE No. 2
Hom tshuaj dawb lub raj mis, cov khoom siv ntxuav, cov khoom siv da dej.Tsis txhob siv nws ua khob dej los yog lub thawv rau lwm yam khoom.Tsis txhob ntxuav kom huv si.Tsis txhob siv dua.
3. No. 3 PVC
Cov tsho raincoats, cov ntaub ntawv hauv tsev, cov yeeb yaj kiab yas, cov thawv yas, thiab lwm yam zoo heev plasticity thiab tus nqi qis, yog li nws yog dav siv, tsuas yog kub-resistant 81 degree .Nws yog ib qho yooj yim los tsim cov khoom phem ntawm qhov kub thiab txias, thiab nws tsis tshua muaj siv nyob rau hauv ntim khoom noj.Nyob huv thiab yooj yim nyob twj ywm, tsis txhob siv dua.Tsis txhob yuav yog tias koj muaj dej qab zib.
4. No. 4 PE polyethylene
Cov ntaub qhwv yas, yas zaj duab xis, thiab lwm yam. Cov khoom tsis zoo yog tsim los ntawm qhov kub thiab txias. Cov tshuaj lom neeg nkag mus rau hauv lub cev nrog cov zaub mov thiab tuaj yeem ua rau cov kab mob xws li mob qog noj ntshav thiab yug me nyuam.Tsis txhob muab cov hnab yas tso rau hauv lub microwave.
5. No. 5 PP polypropylene
Cov fwj cov kua mis ntau, yogurt fwj, txiv hmab txiv ntoo fwj, lub thawv noj su hauv microwave.Nrog lub melting point ntawm 167 degree C, nws yog tib lub thawv yas uas tuaj yeem muab tso rau hauv lub qhov cub microwave thiab tuaj yeem rov qab siv dua tom qab ntxuav. tias rau qee lub thawv noj su hauv microwave, lub thawv lub cev yog ua los ntawm No. 5 PP, tab sis lub hau yog ua los ntawm No. 1 PE.Vim tias PE tsis tuaj yeem tiv taus siab. kub, nws tsis tuaj yeem muab tso rau hauv qhov cub microwave nrog lub thawv lub cev.
6. No. 6 PS polystyrene
Cov tais ntim cov thawv ntim khoom noj thiab cov thawv ntim khoom noj ceev ceev.Tsis txhob muab tso rau hauv lub qhov cub microwave kom tsis txhob tso cov tshuaj vim qhov kub thiab txias.Tom qab thauj cov kua qaub (xws li kua txiv kab ntxwv) thiab cov tshuaj alkaline, carcinogens yuav tawg. .Tsis txhob ntim cov zaub mov kub hauv lub thawv khoom noj ceev.Tsis txhob noj cov noodles hauv lub qhov cub microwave.
7. Lwm yam PC No.7
Feem ntau lub raj mis, qhov chaw khob, lub raj mis pub mis. Cov khw muag khoom feem ntau siv cov khob haus dej ntawm cov khoom siv no ua khoom plig.Nws yooj yim tso tawm cov tshuaj lom bisphenol A, uas tsim kev puas tsuaj rau tib neeg lub cev.Tsis txhob cua sov thaum siv thiab tsis txhob nthuav tawm. ncaj qha tshav ntuj.