Lub ntsiab lus ntawm cov lej cim rau hauv qab ntawm cov khob yas

No.1 PET polyethylene terephthalate

Lub raj mis dej ntxhia, carbonated haus fwj, thiab lwm yam. Thaum tshav kub kub resistant mus rau 70 degree thiab deformed yooj yim, nrog rau cov khoom tsis zoo melting tawm ntawm lub cev. Tom qab siv cov khoom yas No.1 rau 10 lub hlis, nws tuaj yeem tso cov carcinogen DEHP. Tsis tuaj yeem muab tso rau hauv lub tsheb kom bask nyob rau hauv lub hnub; Tsis txhob muaj cov khoom xws li cawv, roj, thiab lwm yam

No.2 HDPE high-density polyethylene

Hom tshuaj dawb lub raj mis, cov khoom tu, thiab cov khoom siv da dej. Tsis txhob siv dua li lub khob dej los yog lub thawv ntim khoom rau lwm yam khoom. Tsis huv huv, tsis txhob rov siv dua.

No.3 PVC polyvinyl chloride

Cov tsho raincoats, cov khoom siv hauv tsev, cov yeeb yaj kiab yas, cov thawv yas, thiab lwm yam. Cov yas zoo heev thiab cov nqi qis, yog li nws yog dav siv thiab tsuas tuaj yeem tiv taus cua sov mus txog 81 degree Nws yog ib qho yooj yim los tsim cov khoom tsis zoo ntawm qhov kub thiab tsis tshua muaj siv hauv cov khoom noj. ntim. Yooj yim los ntxuav thiab ua rau cov khoom seem, tsis txhob rov ua dua. Tsis txhob yuav dej haus.

No.4 PE polyethylene

Hom cling zaj duab xis, yas zaj duab xis, thiab lwm yam. Cov tshuaj phem raug tsim thaum kub kub. Thaum cov tshuaj lom neeg nkag mus rau hauv tib neeg lub cev nrog zaub mov, lawv tuaj yeem ua rau mob qog noj ntshav ntawm lub mis, kev tsis haum xeeb hauv cov menyuam mos, thiab lwm yam kab mob. Tsis txhob muab cov hnab yas tso rau hauv lub microwave.

No. 5 PP polypropylene

Hom taum mis nyuj fwj, yogurt fwj, kua txiv haus fwj, microwave qhov cub noj su lub thawv. Nrog rau qhov melting point txog 167 degree, nws yog tib lub thawv yas uas tuaj yeem muab tso rau hauv lub qhov cub microwave thiab tuaj yeem rov qab siv tau tom qab ua tib zoo tu. Nws yuav tsum raug sau tseg tias qee lub thawv noj su hauv microwave yog ua los ntawm No. 5 PP rau lub thawv lub cev, tab sis lub thawv npog yog ua los ntawm No. 1 PE. Raws li PE tsis tuaj yeem tiv taus qhov kub siab, nws tsis tuaj yeem muab tso rau hauv microwave ua ke nrog lub thawv lub cev.

No.6 PS polystyrene

Common lub tais-style instant noodle thawv thiab cov khoom noj ceev ceev. Tsis txhob muab tso rau hauv lub microwave kom tsis txhob tso tshuaj vim qhov kub thiab txias. Tom qab ntxiv acidic (xws li kua txiv kab ntxwv) thiab alkaline tshuaj, carcinogenic tshuaj yuav decomposed. Tsis txhob ntim cov zaub mov kub hauv lub thawv khoom noj ceev. Tsis txhob siv lub microwave los ua noj cov noodles.

No.7 Lwm Pawg

Cov fwj dej ntau, lub khob qhov chaw, thiab lub raj mis me me. Cov khw muag khoom feem ntau siv cov fwj dej ua los ntawm cov khoom no ua khoom plig. Nws yog ib qho yooj yim los tso cov tshuaj lom bisphenol A, uas yog teeb meem rau tib neeg lub cev. Tsis txhob tshav kub los yog raug tshav ntuj ncaj qha thaum siv.