Daim ntawv thov teb ntawm lub tshuab blister yog tus sawv cev ntawm tus lej'No. 1 '' rau kev tsim cov ntawv ntim yas

"No. 1" sawv cev rau polyethylene terephthalate (PET, feem ntau hu ua polyester resin), uas feem ntau yog siv los ua cov dej ntxhia hauv fwj thiab cov raj mis carbonated. Lub raj mis dej haus yog kub-resistant rau 70 degree thaum siv, thiab tsuas yog haum rau sov los yog khov dej haus. Nws yog ib qho yooj yim rau deform thaum ntim nrog cov kua kub kub los yog rhuab, thiab cov khoom tsim kev puas tsuaj rau tib neeg lub cev yuav yaj.