Ma tray a CPET amakhala ndi kutentha kwakukulu kuchokera -40 ° C mpaka +220 ° C, kuwapangitsa kukhala oyenera mufiriji komanso kuphika mwachindunji mu uvuni wotentha kapena microwave. Ma tray apulasitiki a CPET amapereka yankho losavuta komanso losunthika kwa onse opanga zakudya komanso ogula, zomwe zimawapangitsa kukhala chisankho chodziwika bwino pamsika.
Ma tray a CPET ali ndi mwayi wokhala otetezeka mu uvuni wapawiri, zomwe zimawapangitsa kukhala otetezeka kuti agwiritsidwe ntchito mu uvuni wamba ndi ma microwave. Ma tray azakudya a CPET amatha kupirira kutentha kwambiri ndikusunga mawonekedwe awo, kusinthasintha kumeneku kumapindulitsa opanga zakudya ndi ogula chifukwa kumapereka mwayi komanso kugwiritsa ntchito mosavuta.
Ma tray a CPET, kapena ma tray a Crystalline Polyethylene Terephthalate, ndi mtundu wapaketi wazakudya wopangidwa kuchokera kumtundu wina wazinthu za thermoplastic. CPET imadziwika chifukwa chokana kutentha kwambiri komanso kutsika, zomwe zimapangitsa kuti ikhale chisankho chodziwika bwino pamapulogalamu osiyanasiyana opangira zakudya.
Inde, matayala apulasitiki a CPET amatha kuwotcha. Amatha kupirira kutentha kwapakati pa -40 ° C mpaka 220 ° C (-40 ° F mpaka 428 ° F), zomwe zimawalola kugwiritsidwa ntchito mu uvuni wa microwave, mauvuni wamba, ngakhale kusungidwa kozizira.
Kusiyana kwakukulu pakati pa trays CPET ndi PP (Polypropylene) ndi kukana kutentha ndi katundu. Ma tray a CPET samva kutentha kwambiri ndipo amatha kugwiritsidwa ntchito mu microwave ndi uvuni wamba, pomwe ma tray a PP amagwiritsidwa ntchito popangira ma microwave kapena kusungirako kuzizira. CPET imapereka kukhazikika bwino komanso kukana kusweka, pomwe ma tray a PP amakhala osinthika ndipo nthawi zina amakhala otsika mtengo.
Ma tray a CPET amagwiritsidwa ntchito popakira zakudya zosiyanasiyana, kuphatikiza zakudya zokonzeka, zophika buledi, zakudya zozizira, ndi zinthu zina zowonongeka zomwe zimafuna kutenthedwanso kapena kuphika mu uvuni kapena mu microwave.
CPET ndi PET ndi mitundu yonse ya ma polyesters, koma ali ndi katundu wosiyana chifukwa cha kapangidwe kake ka maselo. CPET ndi mtundu wa crystalline wa PET, womwe umapangitsa kuti ikhale yolimba komanso kukana kutentha kwambiri komanso kutsika. PET nthawi zambiri amagwiritsidwa ntchito m'mabotolo a zakumwa, zotengera zakudya, ndi ma CD ena omwe safuna kulekerera kutentha komweko. PET imakhala yowonekera kwambiri, pomwe CPET nthawi zambiri imakhala yowoneka bwino kapena yowoneka bwino.