Koj puas tuaj yeem rov siv Pete 1 lub raj mis yas?
Koj puas tuaj yeem rov siv Pete 1 lub raj mis yas?

Video: Koj puas tuaj yeem rov siv Pete 1 lub raj mis yas?

Video: Koj puas tuaj yeem rov siv Pete 1 lub raj mis yas?
Video: Pob Tsuas Xyooj - Tos seb koj puas rov qab los 2024, Hlis ntuj nqeg
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# 1 - PET (Polyethylene Terephthalate)

PET yog ib ntawm feem ntau siv yas nyob rau hauv cov khoom siv, thiab muaj nyob rau hauv feem ntau cov dej thiab pop lub raj mis , thiab ib co ntim. Cov khoom ua los ntawm # 1 ( PET ) yas yuav tsum tau rov siv dua tab sis tsis rov siv dua

Kuj nug, nws puas muaj kev nyab xeeb rau rov siv PET 1 fwj?

Cov kws kho mob tawm tswv yim tawm tsam rov siv lub raj mis ua los ntawm yas # 1 (polyethylene terephthalate, tseem hu ua PET los yog PETE), suav nrog feem ntau cov dej pov tseg, dej qab zib, thiab kua txiv hmab txiv ntoo lub raj mis . 3? Xws li lub raj mis tej zaum nyab xeeb rau ib zaug siv tab sis rov siv dua yuav tsum zam.

Tsis tas li ntawd, ua li cas koj thiaj paub yog tias lub raj mis dej yas rov siv tau? Txheeb xyuas tus Yas Number Yog tias koj pom li #2, #4, lossis #5 yas , cov no muaj kev nyab xeeb rau rov siv dua. Cov no muaj cov qib qis ntawm polyethylene thermoplastic, low-density polyethylene, thiab polypropylene.

Ntxiv mus, pes tsawg zaus koj tuaj yeem rov siv lub raj mis dej yas?

Hloov ntawm rov siv dua tus lub raj mis yas , nws yog qhov zoo tshaj rau haus los ntawm lawv ib zaug thiab tom qab ntawd rov ua dua, tab sis yog tias koj yuav tsum refill koj yas ib qho, ces Dr Glenville qhia kom yuav BPA-dawb lub raj mis yas , thiab kom tsis txhob rinsing lawv nyob rau hauv kub heev dej , vim qhov no txhawb kom cov tshuaj tso tawm ntawm staggering 55 sij hawm sai dua

Lub raj mis yas zoo li cas thiaj li siv tau?

Hais txog chemical leaching, cov thawv yas nrog rau kev rov ua dua code 2 (high-density polyethylene, HDPE), 4 (low-density polyethylene, LDPE) lossis 5 (polypropylene, PP) yog qhov zoo tshaj plaws rau rov siv dua , hais tias Daniel Schmitt, associate professor ntawm yas engineering ntawm University of Massachusetts Lowell, U. S.. Cov no

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