Amathreyi e-CPET anebanga lokushisa elibanzi ukusuka ku--40°C kuya ku-+220°C, okuwenza afanelekele kokubili isiqandisi nokupheka okuqondile kuhhavini oshisayo noma ku-microwave. Amathreyi epulasitiki e-CPET anikezela ngesisombululo sokupakisha esilula nesiguquguqukayo sabo bobabili abakhiqizi bokudla nabathengi, okubenza babe ukukhetha okudumile embonini.
Amathreyi e-CPET anenzuzo yokuba kuhhavini okabili aphephile, okuwenza aphephe ukusetshenziswa kumahhavini avamile nama-microwave. Amathreyi okudla e-CPET angakwazi ukumelana namazinga okushisa aphezulu futhi alondoloze isimo sawo, lokhu kuvumelana nezimo kuzuzisa abakhiqizi bokudla nabathengi njengoba kunikeza lula nokusebenziseka kalula.
Amathreyi e-CPET, noma amathreyi e-Crystalline Polyethylene Terephthalate, awuhlobo lokupakisha lokudla olwenziwa ngohlobo oluthile lwempahla ye-thermoplastic. I-CPET yaziwa ngokumelana kwayo okuhle kakhulu namazinga okushisa aphezulu naphansi, okuyenza ibe ukukhetha okudumile kwezinhlelo zokusebenza ezahlukene zokupakisha ukudla.
Yebo, amathreyi epulasitiki e-CPET ayakwazi ukushiswa. Angakwazi ukumelana namazinga okushisa asukela ku -40°C kuya ku-220°C (-40°F kuya ku-428°F), okuwavumela ukuthi asetshenziswe kumahhavini ama-microwave, ohhavini abavamile, ngisho nokugcina iqhwa.
Umehluko omkhulu phakathi kwamathreyi e-CPET namathreyi e-PP (Polypropylene) ukumelana nokushisa kwawo kanye nezinto ezibonakalayo. Amathreyi e-CPET amelana kakhulu nokushisa futhi angasetshenziswa kuwo womabili ama-microwave namahhavini avamile, kuyilapho amathreyi e-PP ngokuvamile esetshenziselwa izinhlelo zokusebenza ze-microwave noma isitoreji esibandayo. I-CPET inikeza ukuqina okungcono nokumelana nokuqhekeka, kuyilapho amathreyi e-PP evumelana nezimo futhi ngezinye izikhathi angabiza kancane.
Amathreyi e-CPET asetshenziselwa izinhlelo ezahlukene zokupakisha ukudla, okuhlanganisa ukudla osekulungile, imikhiqizo yokubhaka, ukudla okuqandisiwe, nezinye izinto ezibolayo ezidinga ukushiswa kabusha noma ukuphekwa kuhhavini noma ku-microwave.
I-CPET ne-PET zombili izinhlobo ze-polyester, kodwa zinezakhiwo ezihlukile ngenxa yezakhiwo zazo zamangqamuzana. I-CPET iwuhlobo oluyikristalu lwe-PET, olunikeza ukuqina okukhuphukile kanye nokumelana okungcono namazinga okushisa aphezulu naphansi. I-PET ivamise ukusetshenziselwa amabhodlela eziphuzo, iziqukathi zokudla, nezinye izinhlelo zokusebenza zokupakisha ezingadingi izinga elifanayo lokubekezelela izinga lokushisa. I-PET ibonakala ngale, kuyilapho i-CPET ngokuvamile i-opaque noma i-semi-transparent.