Iko hakuna mutsauko pakati pePET neAPET plastiki. PET ipolyester, ine zita remakemikari re polyethylene terephthalate. PET inogona kugadzirwa nemapolymers akaenzana munzira mbiri dzekutanga; amorphous kana crystalline. Chaizvoizvo, zvese zvaunosangana nazvo zvine amphophosi nechimwe chikuru chakasarudzika; microwave chikafu tireyi icho, kana chakagadzirwa kubva kuPET, chakagadzirwa kubva kuC-PET (yakagumburwa PET). Chaizvoizvo ese akajeka PET anosanganisira Mylar uye mabhodhoro emvura anogadzirwa kubva kuA-PET (amorphous PET) uye mune dzakawanda zviitiko, iyo "A" inongosiiwa.

Iyo Mobius chiuno chinogadzirisazve chiratidzo che polyester ndiPET ine nhamba yekutanga, saka vanhu vazhinji vanoreva polyester sePET. Vamwe vanosarudza kutaura zvakanyanya, nekuratidza kana iyo polyester iri crystalline C-PET, amorphous APET, yakadzokororwa RPET, kana glycol yakagadziridzwa PETG. Idzi ndidzo misiyano midiki, inoitirwa kurerutsa kugadziriswa kwepolyester kune inoitirwa chigadzirwa chigadzirwa, kungave nejekiseni kuumba, kufuridza kuumba, thermoforming, kana extruding pamwe nekupedzisa mashandiro senge kufa kwekucheka.

PETG inouya nenhamba yepamusoro yemutengo uye zviri nyore kufa kutemwa kupfuura APET uchishandisa zvakajairika kufa michina yekucheka. Panguva imwecheteyo, zvakare yakapfava uye kukwenya kuri nyore kupfuura APET. Vanoshandura vasina michina yakakodzera yekufa vakatemwa APET vanowanzo shanda nePETG nekuda kwekuti PETG yakapfava uye kukwenya kuri nyore, saka inowanzo kuvezwa yakavharika (ichi chakaonda "Saran kuputira" mhando yekuvhara). Uku kuvhara kunoda kubviswa kubva kune rimwe divi panguva yekudhinda, asi masking inowanzo kusiiwa kune rimwe divi panguva yekucheka kufa kudzivirira kukwenya. Iyo inotora nguva yakawanda uye nekudaro inodhura kubvisa poly masking, kunyanya kana kudhinda akawanda machira.

Mazhinji poindi ekutengesa ekuratidzira anoitwa kubva kuPETG, nekuti inowanzo kuve inorema geji uye yakaoma kufa kutemwa. Chimwe chikonzero ndechekuti poly masking inogona kusiiwa pamusoro kudzivirira iyo iratidziro panguva yekubata nekutakura uyezve inobviswa kana chiratidziro chichigadzwa. Ichi ndicho chikonzero chikuru nei vagadziri vazhinji vachitsanangudza PETG yechinongedzo chekutengesa kunze kwekunzwisisa kuti APET kana PETG ndicho chinhu chakanyanya kukodzera kushandiswa kwekupedzisira kana kugadzirisa (kudhinda, kufa kufa, kunama, nezvimwewo). APET inowanzo kuwanikwa kusvika ku0.030 ″ ukobvu, nepo PETG inowanzo kutanga pa0.020 ″.

Pane mimwe misiyano isinganzwisisike pakati pePETG neAPET, uye kana usiri kuziva nezve mabhenefiti uye kudzosera kumashure maitiro ekuitwa kwePET, kuyeuka zita racho kunovhiringidza, asi zvakachengeteka kutaura kuti zvese zviri pamusoro zvinoreva polyester uye, kubva pakuona patsva maonero, ivo vese vanobatwa zvakafanana.