Cov khob yas pov tseg feem ntau muab faib ua peb hom los ntawm cov khoom siv raw
1. PET khob
PET, No. 1 yas, polyethylene terephthalate, feem ntau siv rau hauv cov dej ntxhia dej, ntau lub raj mis dej haus thiab khob dej txias. Nws yog ib qho yooj yim rau deform ntawm 70 ℃, thiab cov khoom tsim kev puas tsuaj rau tib neeg lub cev yaj tawm. Tsis txhob bask nyob rau hauv lub hnub, thiab tsis txhob muaj cawv, roj thiab lwm yam khoom.
2. PS khob
PS, No. 6 yas, polystyrene, tuaj yeem tiv taus qhov kub ntawm li 60-70 degrees. Nws feem ntau yog siv los ua dej txias. Cov dej qab zib kub yuav tso cov co toxins thiab muaj cov tawv nqaij tawv.
3. PP khob
PP, No. 5 yas, polypropylene. Piv nrog PET thiab PS, PP khob yog cov khoom ntim yas nrov tshaj plaws, uas tuaj yeem tiv taus qhov kub ntawm 130 ° C thiab tsuas yog cov khoom ntim yas uas tuaj yeem muab tso rau hauv lub qhov cub microwave.
Thaum xaiv cov khob dej pov tseg yas, txheeb xyuas lub logo hauv qab. No. 5 PP khob siv tau rau cov dej txias thiab kub, thiab No. 1 PET thiab No. 6 PS tsuas yog siv tau rau cov dej haus txias xwb, nco ntsoov.
Txawm hais tias nws yog lub khob yas pov tseg lossis lub khob ntawv, nws yog qhov zoo dua tsis rov siv nws. Cov dej txias thiab dej kub yuav tsum sib cais. Qee lub lag luam tsis raug cai siv cov ntawv pov tseg thiab cov khoom siv rov ua dua tshiab rau lwm tus. Nws yog ib qho nyuaj rau suav tag nrho cov impurities, tab sis kuj muaj ntau yam hnyav hlau los yog lwm yam teeb meem. Yog li ntawd, nws yog qhov zoo dua los xaiv cov khoom lag luam los ntawm cov tuam txhab tsis tu ncua. Dab tsi uas cov neeg siv khoom tsis nkag siab yog qhov nruab nrab ntawm cov khob yas pov tseg thiab khob ntawv, cov ntaub ntawv yas zoo dua li ntawv. Nws tuaj yeem txiav txim siab los ntawm ob yam: 1. Cov txheej txheem tsim khoom ntawm cov khob yas pov tseg yog qhov yooj yim, thiab kev nyiam huv yog yooj yim los tswj. Cov khob ntawv yog qhov nyuaj, nrog rau ntau qhov sib txuas, thiab kev huv huv tsis yooj yim los tswj. 2. Tsim nyog lub khob yas pov tseg, tsis muaj tshuaj lom thiab tsis muaj kuab lom. Txawm tias tsim nyog lub khob ntawv yog ib qho yooj yim los cais txawv teb chaws. Tsis tas li ntawd, cov ntaub ntawv siv rau lub khob ntawv yog los ntawm cov ntoo, uas siv cov khoom siv hav zoov ntau dhau thiab muaj kev cuam tshuam zoo rau ib puag ncig.
Post lub sij hawm: Oct-27-2022