A

PET (Polyethylene Terephthalate) ndi utomoni wa polima wa thermoplastic womwe umagwiritsidwa ntchito kwambiri popaka, kuphatikiza mabokosi a matuza. Imakhala ngati chinthu choyambirira chopangira zotchingira zowonekera, zoteteza zomwe zimayika zinthu.

1. Kupanga Zinthu : PET mapepala amapangidwa kuchokera ku utomoni wapulasitiki wolimba komanso wowoneka bwino, kuwapangitsa kukhala abwino kuwonetsa zinthu pomwe amapereka chitetezo.
2. Kukhalitsa : Mapepalawa amapereka kukana kwambiri kukhudzidwa ndi chinyezi, kuonetsetsa kukhulupirika kwa zinthu zomwe zatsekedwa.
3. Kumveka bwino : PET mapepala amakhala ndi kuwala kowoneka bwino, kulola ogula kuwona zomwe zili mkati mwa bokosi la matuza bwino.

A

Inde, mapepala a PET amaonedwa kuti ndi otetezeka kulongedza zakudya ndi mankhwala. Amakwaniritsa zofunikira zamalamulo ndipo amavomerezedwa mofala pazofunsira zotere.

1. Chivomerezo cha FDA : PET mapepala ogwiritsidwa ntchito popanga zakudya ndi mankhwala ayenera kukwaniritsa malamulo a FDA (Food and Drug Administration) kuti atsimikizire chitetezo.
2. Chemical Inertness : PET ndi inert mankhwala, kutanthauza kuti samachita ndi zomwe zili mu bokosi la matuza, kuonetsetsa kuti katunduyo ndi wosakhulupirika.
3. Barrier Properties : PET mapepala amatha kuphimbidwa kapena kuthandizidwa kuti awonjezere zotchinga zawo, kutetezanso zinthu zomwe zapakidwa.

A Inde, mpukutu wa filimu womveka bwino PET umatha kugwiritsidwanso ntchito. Itha kukonzedwa ndi kugwiritsidwa ntchito kupanga zatsopano PET , kuchepetsa zinyalala ndikulimbikitsa kukhazikika.

A 1. Packaging: Amagwiritsidwa ntchito popanga zolembera zomveka bwino komanso zolimba monga mapaketi a blister, ma clamshell, ma tray, ndi zotengera zazakudya, zakumwa, zodzoladzola, mankhwala, ndi zinthu zogula.
2.Kusindikiza ndi Zithunzi: Amagwiritsidwa ntchito popanga zojambula zapamwamba, kuphatikizapo zikwangwani, zikwangwani, zizindikiro, zowonetsera, ndi zotsatsa.
3.Thermoforming: PET mapepala amatha kutentha kwambiri, kutanthauza kuti akhoza kutenthedwa ndi kupangidwa m'njira zosiyanasiyana pogwiritsa ntchito nkhungu.
4.Protective Covers ndi Filimu ya overlay s: PET mapepala amagwiritsidwa ntchito kwambiri popanga zovundikira zoteteza ndi Filimu ya overlay s pazida zamagetsi, kuphatikiza mafoni a m'manja, mapiritsi, zowonera, ndi ma control panel.

A PET ndi polima ya thermoplastic yomwe imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana, kuphatikiza kulongedza, kusindikiza, ndi kupanga. PET mapepala amadziwika ndi kuwonekera bwino, kulimba, komanso kusinthasintha.