Tam sim no, cov zaub mov noj qab haus huv thiab tshuaj ntsiav tshuaj, ntim tshuaj ntsiav nyob rau hauv daim ntawv ntawm blister ntim yog ntau thiab ntau dua, aluminium blister kuj hu ua blister eye packaging, hu ua PTP (PressThroughPackaging). Cov ntawv ci txhuas siv hauv cov pob ntim ntim yog cov khoom sib khi ntom ntom hauv cov ntawv yas polyvinyl chloride (PVC) tawv, yog li nws tseem hu ua cov ntaub ntawv npog. Nyob rau hauv niaj hnub ntim, yuav luag tag nrho cov khoom uas yuav tsum tau opaque los yog siab barrier composite cov ntaub ntawv siv txhuas ntawv ci (Mingtai cov khoom) raws li ib tug barrier txheej, vim hais tias txhuas ntawv ci muaj ib tug heev ntom hlau siv lead ua qauv, uas muaj peev xwm tag nrho thaiv cov roj, yog li nws yog dav siv.
Aluminium foil yog siv los ntim cov hlwv, uas xav tias yuav suav txog li 60 feem pua rau 70 feem pua ntawm cov tshuaj ntsiav tshuaj thiab ntim tshuaj ntsiav tshuaj yav tom ntej, thiab tam sim no yog ib qho ntawm cov khoom lag luam pheej yig tshaj plaws.
