Dab tsi yog hom yas uas feem ntau siv hauv cov thawv ntim khoom noj?

1. Polyethylene
Polyethylene yog ib hom yas uas siv dav hauv kev tsim cov ntim khoom noj. Nws muaj cov yam ntxwv hauv qab no:
Khoom noj khoom haus kev nyab xeeb: Polyethylene yog ib qho ntawm cov khoom tseem ceeb ntawm cov khoom noj khoom haus sib cuag thiab suav tias yog ib qho ntawm cov khoom siv rau kev nyab xeeb khoom noj.
Durability: Polyethylene ntim feem ntau muaj cov kav ntev zoo thiab tsis yooj yim tawg lossis deformed.
Transparency: Qee hom polyethylene muaj cov pob tshab zoo, ua rau cov zaub mov pom hauv lub thawv.
2. Polypropylene
Polypropylene yog lwm hom khoom ntim khoom yas nrog cov yam ntxwv hauv qab no:
Kub kub tsis kam: Polypropylene muaj qhov kub thiab txias tsis kam thiab haum rau microwave cua sov.
Sealing: Polypropylene ntim feem ntau muaj cov khoom sib khi zoo, uas tuaj yeem tswj xyuas cov khoom noj tshiab.
Lub teeb yuag: Polypropylene ntim yog qhov hnyav thiab nqa tau yooj yim.
3. Polyvinyl chloride (PVC)
Txawm hais tias polyvinyl chloride tsis tshua siv nyob rau hauv qee lub ntim khoom noj, nws tseem tsim nyog hais, thiab nws cov yam ntxwv suav nrog:
Tus nqi qis: Polyvinyl chloride yog cov yas uas pheej yig, yog li nws tau siv dav hauv qee lub thawv khoom noj uas tsis muaj nqi.
Flexibility: PVC tuaj yeem ua rau nws yooj yim dua los ntawm kev ntxiv cov yas yas, ua rau nws tsim nyog rau kev tsim cov ntim khoom muag.
Yooj yim rau txheej txheem: PVC yog ib qho yooj yim rau txheej txheem thiab zoo li, haum rau loj-scale ntau lawm.
4. Polystyrene
Polystyrene yog lwm hom khoom ntim khoom yas, uas yog:
Lub teeb yuag: polystyrene ntim feem ntau yog lub teeb yuag, yooj yim nqa thiab tuav.
Thermal rwb thaiv tsev: Polystyrene muaj cov thermal rwb thaiv tsev zoo thiab tsim nyog rau kev tsim cov thawv xws li khob kas fes thiab cov thawv khoom noj ceev.
Transparency: Qee hom polystyrene muaj cov pob tshab zoo, ua rau cov zaub mov pom hauv lub thawv.
5. Polyethylene Terephthalate (PET)
PET yog cov yas pob tshab uas feem ntau siv hauv kev tsim cov fwj dej haus thiab lwm lub ntim. Nws cov yam ntxwv muaj xws li:
Transparency: PET muaj cov pob tshab zoo heev, ua rau cov kua hauv lub thawv kom pom tseeb thiab pom.
Kev kub siab ua haujlwm: PET muaj qhov kub thiab txias ua haujlwm zoo thiab tsim nyog rau kev thauj khoom kub thiab khoom noj khoom haus.
Recyclability: PET yog hom yas rov ua dua tshiab uas muaj txiaj ntsig zoo rau kev tiv thaiv ib puag ncig.