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Daim Ntawv Qhia Txog Cov Khoom Siv Yas (rau cov khoom noj & ntim ntim): Lawv txhais li cas rau Peb Kev Noj Qab Haus Huv?

Daim Ntawv Qhia Txog Cov Khoom Siv Yas (rau cov khoom noj & ntim ntim): Lawv txhais li cas rau Peb Kev Noj Qab Haus Huv?

Cov ntsiab lus ntawm cov yas (rau ntim khoom noj & haus): lawv txhais li cas rau peb txoj kev noj qab haus huv?

Plastics tej zaum yuav yog cov khoom siv polarizing tshaj plaws ntawm lub sijhawm niaj hnub no. Nws muab cov txiaj ntsig zoo kawg uas pab peb txhua hnub. Yas kuj siv ntau hom khoom noj & haus ntim ntim. Lawv pab tiv thaiv cov khoom noj los ntawm kev puas tsuaj. Tab sis koj puas paub cov ncauj lus kom ntxaws txog qhov sib txawv ntawm cov yas? Lawv txhais li cas rau peb kev noj qab haus huv?

● Dab tsi yog cov khoom sib txawv ntawm cov yas siv hauv cov khoom noj & haus ntim khoom?

Tej zaum koj yuav pom tus naj npawb 1 txog 7 nyob rau hauv qab lossis sab ntawm lub thawv ntim yas. Tus lej no yog cov yas "resin ID code," tseem hu ua "recycling tooj." Tus lej no tseem tuaj yeem muab kev taw qhia rau cov neeg siv khoom uas xav rov ua dua cov thawv yas.

● Tus lej ntawm cov yas txhais li cas?

Resin Identification Code lossis tus lej rov ua dua tshiab ntawm cov yas qhia txog hom yas. Ntawm no peb xav qhia cov ntaub ntawv ntau ntxiv txog cov khoom siv uas siv ntau tshaj plaws hauv cov khoom noj & haus ntim khoom, muaj nyob rau ntawm Society of Plastics Engineers (SPE) thiab Plastics Industry Association (PIA):

PETE lossis PET (Recycling tooj 1 / Resin ID Code 1

nov (2) Nws yog dab tsi:
Polyethylene terephthalate (PETE los yog PET) yog ib lub teeb yuag yas uas yog tsim los ua semi-rigid lossis nruj uas ua raunws muaj kev cuam tshuam ntau dua, thiab pab tiv thaiv cov zaub mov lossis dej hauv lub ntim.
Piv txwv:
Lub raj mis dej haus, cov khoom noj fwj / jars (salad hnav khaub ncaws, txiv laum huab xeeb, zib ntab, thiab lwm yam) thiab polyester khaub ncaws lossis hlua.
Qhov zoo: Qhov tsis zoo:
dav siv raws li ib tug fiberzoo heev noo noo barrier

shatterproof

● Cov yas no kuj muaj kev nyab xeeb, tab sis nws yog ib qho tseem ceeb kom tsis txhob muaj cua sov los yog nws tuaj yeem ua rau cov kab mob carcinogens (xws li cov nplaim hluav taws kub nyhiab antimony trioxide) kom nkag mus rau hauv koj cov kua dej.

HDPE (Recycling tooj 2 / Resin ID Code 2)

 nov (3) Nws yog dab tsi:
High-density polyethylene (HDPE) yog ib qho nyuaj, opaque yas uas yog lub teeb yuag tab sis kuj muaj zog. Piv txwv li, HDPE lub thawv ntim mis nyuj tuaj yeem hnyav li ob ooj xwb tab sis tseem muaj zog txaus nqa ib nkas loos mis.
Piv txwv:
Cov thawv ntim mis, lub raj mis detergent, cereal box liners, cov khoom ua si, thoob, chaw ua si cov rooj zaum thiab cov kav dej tsis zoo. 
Qhov zoo: Qhov tsis zoo:
Pom tau tias muaj kev nyab xeeb thiab muaj kev pheej hmoo tsawg ntawm leaching. ● Feem ntau opaque hauv xim

PVC (Recycling tooj 3 / Resin ID Code 3)

 nov (4) Nws yog dab tsi:
Cov tshuaj chlorine yog cov khoom tseem ceeb uas siv los ua polyvinyl chloride (PVC), ib hom yas uas muaj tshuaj lom neeg thiab tshuaj lom neeg. Ob tus yam ntxwv no pab cov thawv ntim PVC kom muaj kev ncaj ncees ntawm cov khoom sab hauv, nrog rau cov tshuaj.
Piv txwv:
Cov kav dej kav dej, daim npav rho nyiaj, tib neeg thiab tsiaj cov khoom ua si, cov kav dej nag, cov hlua khi, cov hnab ntim dej IV thiab cov raj xa dej kho mob thiab lub qhov ncauj qhov ntswg.
Qhov zoo: Qhov tsis zoo:
Rigid (txawm hais tias sib txawv PVC variants yog tsim los hloov tau)● Muaj zog;●Biologically thiab chemically resistant; ● PVC muaj cov tshuaj softening hu ua phthalates uas cuam tshuam rau kev loj hlob hormonal; ● Tsis tuaj yeem siv ua noj lossis cua sov;

LDPE (Recycling tooj 4 / Resin ID Code 4)

 nov (5) Nws yog dab tsi:
Tsawg-density polyethylene (LDPE) yog nyias dua li lwm cov resins thiab kuj muaj cov cua sov ua kom sov. Vim nws cov tawv tawv thiab yoog raws, LDPE feem ntau yog siv rau hauv daim ntawv thov zaj duab xis uas xav tau kev sib khi.
Piv txwv:
Yas / cling qhwv, qhaub cij thiab khob cij, npuas qhwv, hnab khib nyiab, hnab khoom noj thiab khob dej haus.
Qhov zoo: Qhov tsis zoo:
Siab ductility;● Corrosion resistant; ● Tsawg tensile zog;●Nws tsis tuaj yeem rov ua dua los ntawm cov kev pab cuam ib txwm;

PP (Recycling tooj 5 / Resin ID Code 5)

 nov (7) Nws yog dab tsi:
Polypropylene (PP) yog me ntsis txhav tab sis tsawg nkig dua lwm cov yas. Nws tuaj yeem ua translucent, opaque lossis xim txawv thaum nws tsim. PP feem ntau muaj lub siab melting point, ua rau nws tshwj xeeb tshaj yog haum rau cov khoom ntim khoom noj uas siv nyob rau hauv microwaves los yog ntxuav hauv tshuab ntxhua khaub ncaws.
Piv txwv:
Straws, lub kaus mom lub raj mis, lub raj mis tshuaj, cov thawv ntim khoom noj kub, ntim cov ntaub qhwv, cov ntaub qhwv pov tseg thiab cov thawv DVD / CD.
Qhov zoo: Qhov tsis zoo:
kev siv tshwj xeeb rau cov hinges nyob;● Thaum tshav kub kub resistant; ● Nws tau suav tias yog microwave-zoo, tab sis peb tseem hais tias iav yog cov khoom siv zoo tshaj plaws rau microwave ntim;

PS (Recycling tooj 6 / Resin ID Code 6)

 nov (6) Nws yog dab tsi:
Polystyrene (PS) yog xim tsis muaj xim, tawv tawv tsis muaj qhov hloov pauv ntau. Nws tuaj yeem ua npuas dej lossis cam khwb cia rau hauv pwm thiab muab cov ntsiab lus zoo hauv nws cov duab thaum nws tsim khoom, piv txwv li rau hauv cov duab ntawm cov diav yas lossis diav rawg.
Piv txwv:
Khob khob, takeout zaub ntim, shipping thiab ntim khoom, qe cartons, cutlery thiab lub tsev rwb thaiv tsev.
Qhov zoo: Qhov tsis zoo:
Kev siv ua npuas ncauj; ● Leaching tej yam tshuaj lom, tshwj xeeb tshaj yog thaum rhuab;● Nws yuav siv sij hawm ntau pua thiab ntau pua xyoo kom decompose.

Lwm yam los yog O (Recycling tooj 7 / Resin ID Code 7)

 nov (10) Nws yog dab tsi:
"Lwm yam" lossis lub cim # 7 ntawm lub ntim yas qhia tias lub ntim yog tsim los ntawm cov yas resin uas tsis yog rau 6 hom resins uas tau teev tseg saum toj no, piv txwv li lub ntim yuav ua tau nrog polycarbonate lossis bioplastic polylactide (PLA) piv txwv li, los yog nws tuaj yeem ua nrog ntau tshaj ib qho khoom siv yas.
Piv txwv:
Cov tsom iav qhov muag, lub raj mis me nyuam mos thiab cov kis las, cov khoom siv hluav taws xob, cov teeb pom kev zoo thiab cov yas cutlery ntshiab.
Qhov zoo: Qhov tsis zoo:
Cov ntaub ntawv tshiab muab cov kev xav tshiab txog peb lub neej, xws li Tritan cov khoom siv dav siv rau cov fwj dej; ● Kev siv cov yas hauv pawg no yog nyob ntawm koj tus kheej txaus ntshai vim koj tsis paub tias yuav muaj dab tsi hauv nws.

Cov no yog ntau hom yas uas peb ntsib. Qhov no yog cov ntaub ntawv yooj yim heev ntawm cov ncauj lus uas ib tus tuaj yeem siv sijhawm ntau lub hlis rau kev tshawb fawb. Yas yog cov khoom siv nyuaj, ib yam li nws cov khoom tsim, kev faib tawm thiab kev siv. Peb txhawb kom koj dhia dej tob tob kom nkag siab txog tag nrho cov kev nyuaj no, xws li cov khoom yas, kev rov ua dua tshiab, kev phom sij rau kev noj qab haus huv thiab lwm yam, nrog rau qhov zoo thiab qhov tsis zoo ntawm bioplastics.


Post lub sij hawm: Nov-12-2021