Daim ntawv rau lub khob ua tshuab hu ua tawv ntawv lossis zaj duab xis. Feem ntau yog siv: PET (polyethylene terephthalate) tawv ntawv, PVC (polyvinyl chloride) tawv ntawv, PS (polystyrene) tawv ntawv. PS tawv ntawv muaj tsawg ceev, tsis muaj zog toughness, thiab nws yooj yim mus hlawv. Nws ua cov roj stilene (cov pa phem) thaum kub hnyiab, vim li ntawd nws yog siv los tsim cov tshuaj hlaub rau cov phom ntau yam tshuab. PVC nyuaj ntawv muaj ntsis toughness, tsis yooj yim rau hlawv, generates tshuaj muaj roj thaum hlawv, thiab muaj qee yam cawv rau ib puag ncig. PVC yog ib qho yooj yim rau kev tshav kub, thiab tuaj yeem ua kev sib khi los ntawm lub tshuab sealing thiab lub tshuab ua kom siab. Nws yog lub ntsiab raw khoom ua rau cov khoom yas pob tshab. Cov ntawv tawv tsiaj ntawv muaj kev zoo, muaj lub siab, hlawv yooj yim, tsis muaj roj muaj teeb meem thaum muaj kev kub ntxhov, thiab yog rau cov khoom zoo nkauj, tab sis tus nqi siab, tsim rau cov khoom siv yas qib siab. Cov qe paj ntawm European thiab American national khob txiav cav feem ntau yuav tsum tau tus tsiaj ntawv nyuaj. Zaj duab xis, tab sis nws tsis yog yooj yim rau cua sov, uas coj zoo nyuaj rau lub pob. Yuav kom daws tau qhov teeb meem no, tib neeg muab ib txheej ntawm PVC zaj duab xis ntawm tus tsiaj deg, hu ua PETG nyuaj zaj duab xis, tab sis tus nqi ntau dua.