Matumba osindikizira osindikizira am'mbali amapangidwa ndi zinthu zapulasitiki zotchinga, kulolera kutentha komanso kusindikiza. Itha kupewa kuwonongeka kwa chakudya, kuteteza makutidwe ndi okosijeni a mavitamini muzakudya. Nthawi zambiri sankhani pulasitiki yamitundu ingapo, yodziwika bwino kuphatikiza PET/AL/PE, PET/NY/PE, PET/MPET/PE, PET/AL/PET/NY/AL/PE, PET/NY/AL/RCPP, kutentha kwambiri youma distillation thumba chonyowa chakudya, etc. Pulasitiki gulu co-extrusion filimu, pawiri zotayidwa zojambulazo, chifukwa zotayidwa zojambulazo ma CD thumba ali chotchinga chabwino. Kuletsa mpweya, kutchinga kuwala kwa dzuwa, kutchinga mafuta, kutchinga madzi, pafupifupi zinthu zonse sizingalowe; Chikwama cha aluminiyamu chojambulapo chimakhala ndi mpweya wabwino; Kupaka utoto wa aluminiyumu kumakhala ndi shading yabwino kwambiri, komanso kumakhala ndi kukana kwamafuta komanso kufewa. Amawoneka owoneka bwino komanso owoneka bwino, osindikiza bwino. Kukamwa kwa thumba kumatha kusindikizidwa, kosavuta kugwiritsanso ntchito ndipo kungapangitse kuti mkati mwake zisakhudzidwe mosavuta ndi chinyezi.