Mathireyi CPET ali ndi kutentha kwakukulu kuyambira -40°C mpaka +220°C, zomwe zimapangitsa kuti akhale oyenera kuphikidwa mufiriji komanso kuphika mwachindunji mu uvuni wotentha kapena mu microwave. Mathireyi apulasitiki CPET amapereka njira yabwino komanso yosinthasintha yopangira zinthu kwa opanga chakudya ndi ogula, zomwe zimapangitsa kuti akhale otchuka kwambiri mumakampani.
Mathireyi a CPET ali ndi ubwino wokhala otetezeka ku uvuni kawiri, zomwe zimapangitsa kuti akhale otetezeka kugwiritsidwa ntchito mu uvuni wamba ndi mu microwave. Mathireyi a chakudya CPET amatha kupirira kutentha kwambiri ndikusunga mawonekedwe awo, kusinthasintha kumeneku kumapindulitsa opanga chakudya ndi ogula chifukwa kumapereka kusavuta komanso kosavuta kugwiritsa ntchito.
Mathireyi a CPET , kapena mathireyi a Crystalline Polyethylene Terephthalate, ndi mtundu wa maphukusi a chakudya opangidwa kuchokera ku mtundu winawake wa zinthu zopangidwa ndi thermoplastic. CPET amadziwika kuti amapirira kutentha kwambiri komanso kotsika, zomwe zimapangitsa kuti ikhale chisankho chodziwika bwino pamitundu yosiyanasiyana ya maphukusi a chakudya.
Inde, mathireyi apulasitiki CPET amatha kuphikidwa mu uvuni. Amatha kupirira kutentha kuyambira -40°C mpaka 220°C (-40°F mpaka 428°F), zomwe zimathandiza kuti azigwiritsidwa ntchito mu ma uvuni a microwave, ma uvuni wamba, komanso malo osungiramo zinthu ozizira.
Kusiyana kwakukulu pakati pa mathireyi a CPET ndi mathireyi a PP (Polypropylene) ndi kukana kutentha ndi zinthu zomwe zili mkati mwake. Mathireyi a CPET ndi otetezedwa kutentha kwambiri ndipo angagwiritsidwe ntchito mu uvuni wa microwave ndi wamba, pomwe mathireyi a PP nthawi zambiri amagwiritsidwa ntchito poika ma microwave kapena kusungiramo zinthu zozizira. CPET amapereka kulimba bwino komanso kukana kusweka, pomwe mathireyi a PP ndi osinthika kwambiri ndipo nthawi zina amakhala otsika mtengo.
Mathireyi a CPET amagwiritsidwa ntchito popangira zakudya zosiyanasiyana, kuphatikizapo chakudya chokonzedwa kale, zinthu zophika buledi, zakudya zozizira, ndi zinthu zina zomwe zimawonongeka zomwe zimafunika kutenthedwanso kapena kuphikidwa mu uvuni kapena mu microwave.
CPET ndi PET onse ndi mitundu ya ma polyester, koma ali ndi makhalidwe osiyanasiyana chifukwa cha kapangidwe ka mamolekyu awo. CPET ndi mtundu wa kristalo wa PET , womwe umapangitsa kuti ikhale yolimba komanso yolimba kwambiri kutentha kwambiri komanso kotsika. PET nthawi zambiri imagwiritsidwa ntchito pamabotolo a zakumwa, zidebe za chakudya, ndi zina zomwe zimapakidwa zomwe sizifuna kulekerera kutentha kofanana. PET ndi yowonekera bwino, pomwe CPET nthawi zambiri imakhala yosawonekera bwino kapena yowonekera pang'ono.
Tiyeni Tipeze Yankho Loyenera la Pulasitiki