Kev sib piv cov khoom tseem ceeb
Lub pob tshab txheej txheej ntawm cov khoom ntim cov yeeb yaj kiab tiag tiag zais qee qhov zais cia. Muaj peb hom loj:
**Polyethylene (PE)**: Mos zoo li cling zaj duab xis, haum rau qis -kub tub yees, tab sis me ntsis tshav kub resistant.
**Polypropylene (PP)**: Microwave muaj kev nyab xeeb, tuaj yeem tiv taus qhov kub txog li 120 degree, thiab muaj kev pom zoo dua.
**Polyester (PET)**: Cov khoom siv tib yam siv nyob rau hauv cov dej ntxhia hauv fwj, siab hardness thiab zoo barrier zog.
Cov lus qhia txog kev nyab xeeb
Nco ntsoov peb lub ntsiab lus tseem ceeb thaum xaiv:
Saib xyuas daim ntawv lo: Cov khoom raug cai yuav raug cim "Rau kev siv khoom noj."
Kov kuaj: High- cov ntaub ntawv zoo muaj qhov zoo nkauj thiab tsis muaj ntxhiab tsw ntxhiab.
Kev sim siv: Nws yuav tsum tsis txhob ua huab lossis deformed tom qab tau ntim nrog dej kub.
Cov lus qhia siv txhua hnub
Secrets los ua kom ntim zaj duab xis zoo pab koj lub neej:
Cov lus qhia ntim: qhwv cov nqaij tshiab hauv PE zaj duab xis ua ntej khov kom tiv thaiv lub cev qhuav dej.
Kev tiv thaiv cua sov: cov khoom siv PP yog microwave nyab xeeb, tab sis qhov cua qhov yuav tsum tau ua.
Kev xaiv tus phooj ywg ib puag ncig: Biodegradable cornstarch zaj duab xis yog tsim rau luv luv - lub sij hawm ntim.
