Heerkulka sare ee u adkaysiga u adkaysta alaabta sumadda ee PET waa shay calaamadeed oo loogu talagalay alaabooyinka leh shuruudaha hawlgalka jawiga heerkulka sare. Midabka walxaha dusha sare waa hufan, caddaan dhalaalaya, sub-cad, lacag Asian, qalin dhalaalaya iyo sahayda kale, oo leh caabbinta ilmo aad u fiican, iska caabin heerkulka sare, caabbinta iftiinka iyo caabbinta kiimikada, ay sabab u tahay isticmaalka maaddada PET, oo leh heerkul aad u fiican oo iska caabin ah, waxay u adkeysan kartaa hawlgalka warshadaha iyo kululaynta jawi heerkul sare ah, ma fududa in ay qallafsanaan ama libdhi. Alaabta calaamadani waxay ku habboon tahay alaabooyinka u baahan iska caabin heerkul sarreeya, sida qaybaha baabuurta, qaybaha elektaroonigga ah, qalabka korantada, iwm. Iyada oo la adeegsanayo qalabka heerkulka sare ee PET actoadhesive, alaabta si cad ayaa loo aqoonsan karaa, xasilloon oo lagu kalsoonaan karo xaaladaha heerkulka sare, hagaajinta isku halaynta iyo raadinta alaabta, iyo bixinta taageero xooggan wax soo saarka iyo isticmaalka alaabta. Shirkada Donglai waxay inta badan soo saartaa xabagta PVC, xabagta BOPP, xabagta PE, xabagta PET, warqad kuleyl ah, warqad qoraal ah, warqad dahaar ah iyo alaab kale oo ceeriin ah.