Raws li tau hais hauv qhov teeb meem dhau los, No.1 yas, No.5 yas thiab No.7 yas ntawm xya yam khoom yas yog cov khoom noj khoom haus-qib plastics uas tuaj yeem nkag mus rau tib neeg lub cev.
Qhov teeb meem no yuav piav qhia txog lwm tus:
Ua ntej tshaj plaws, cia peb sau 7 hom plastics:
Muaj 7 hom khoom siv yas:
No.1 yas yog ua los ntawm PET;
No. 2 yas, HDPE khoom;
No. 3 yas, PVC khoom;
No. 4 yas, PE khoom;
No. 5 yas, ua los ntawm PP;
No.6 yas, PS khoom;
No.7 yas, yog LWM (lwm yam)
Yas No. 2 - HDPE (High Density Polyethylene)
Yas No. 2 - HDPE (High Density Polyethylene)
Feem ntau siv los ua cov tshuaj dawb lub raj mis, tshuaj zawv plaub hau / tshuaj ntxuav lub cev thiab lwm yam khoom siv lub raj mis, vim tias lawv tsis tau ntxuav kom huv si, lawv tsis tuaj yeem rov ua dua tshiab, thiab tsis tuaj yeem siv los ua khob haus lossis cov thawv ntim khoom.
Yas No. 3 - PVC (Polyvinyl Chloride)
Yas No. 3 - PVC (Polyvinyl Chloride)
PVC yog cov khoom siv yas uas muaj ntau thiab siv dav hauv ntau qhov kev lag luam!
Xws li: PVC rooj ntaub, PVC khaub ncaws template, ntim zaj duab xis, lub thawv yas, thiab lwm yam.
Nws tsuas yog ua los ntawm PVC, uas tuaj yeem tiv taus cua sov txog 81 degree. Thaum rhuab ntawm qhov kub siab, nws yooj yim los tsim cov khoom tsis zoo, yooj yim los ntxuav, thiab yooj yim rau residue, yog li nws tsis tshua muaj siv hauv ntim khoom noj. Cov khoom no tsis tuaj yeem ua ncaj qha rau hauv lub raj mis rau cov dej haus / dej haus.
No.4 yas - PE (polyethylene)
PE cov khoom siv dav siv hauv kev lag luam, thiab nws kuj yog siv los ua yas qhwv rau cov khoom khov thiab cov tub yees.
Vim tias cov khoom siv PE tsim cov khoom tsis zoo thaum kub kub, cov tshuaj lom neeg nkag mus rau hauv tib neeg lub cev nrog cov zaub mov, uas yuav ua rau mob qog noj ntshav, yug me nyuam thiab lwm yam kab mob hauv cov menyuam mos, yog li thaum cua sov cov khoom noj, nco ntsoov saib seb cov hnab yas puas raug tshem tawm tag. !
PE stick PE cling zaj duab xis PE raj
No.6 yas - PS (polystyrene)
PS yas, tsis tuaj yeem nkag mus rau lub qhov cub microwave kom tsis txhob tso cov tshuaj vim qhov kub thiab txias.
Tsis txhob sib cuag ncaj qha nrog cov tshuaj acidic thiab alkaline, uas yuav decompose carcinogens;
Tsis txhob ntim cov zaub mov kub ncaj qha rau hauv lub thawv khoom noj txom ncauj!
Nyob rau hauv lub neej txhua hnub, nws feem ntau pom tias tus tswv ntawm lub tsev noj mov ceev ceev ncaj qha ntim cov zaub mov kub tshiab tshiab rau hauv lub thawv yas. Qhov tseeb, txoj kev no yooj yim tso tawm cov tshuaj lom hauv cov yas ncaj qha rau hauv cov zaub mov.
