Cov Raw Khoom Ntawm Lub Khob Khob Ua Tshuab

Daim ntawv rau lub khob ua tshuab yog hu ua daim ntawv nyuaj lossis zaj duab xis. Feem ntau siv yog: PET (polyethylene terephthalate) tawv ntawv, PVC (polyvinyl chloride) tawv ntawv, PS (polystyrene) tawv ntawv. PS Cov ntawv tawv tawv muaj qis ntom ntom ntom, tawv tawv tawv, thiab yog qhov yooj yim hlawv. Nws tsim cov roj styrene (cov pa phem) thaum kub hnyiab, yog li nws feem ntau yog siv los tsim cov hlwv rau ntau lub khob ntim tshuab. PVC tawv daim ntawv muaj qhov sib zog toughness, tsis yooj yim rau hlawv, tsim cov roj chlorine thaum hlawv, thiab muaj qee yam cuam tshuam rau ib puag ncig. PVC yog ib qho yooj yim rau cua sov foob, thiab tuaj yeem raug kaw los ntawm lub tshuab sealing thiab lub tshuab ua haujlwm siab. Nws yog cov khoom siv tseem ceeb rau kev tsim cov khoom yas pob tshab. PET daim ntawv nyuaj muaj qhov zoo toughness, siab transparency, yooj yim rau hlawv, tsis muaj teeb meem roj thaum hlawv, thiab belongs rau ib puag ncig tus phooj ywg cov ntaub ntawv, tab sis tus nqi yog siab, haum rau high-qib yas khoom. Lub qhov muag teev ntawm European thiab Asmeskas lub teb chaws khob ua tshuab feem ntau xav tau PET nyuaj. Cov yeeb yaj kiab, tab sis nws tsis yooj yim rau cua sov, uas ua rau muaj teeb meem loj rau pob. Yuav kom daws tau qhov teeb meem no, tib neeg muab ib txheej ntawm PVC zaj duab xis rau ntawm PET nto, hu ua PETG nyuaj zaj duab xis, tab sis tus nqi siab dua.