Tire na CPET, ko kuma tiren Crystalline Polyethylene Terephthalate, nau'in marufin abinci ne da aka yi da wani nau'in kayan thermoplastic. An san CPET da kyakkyawan juriyarsa ga yanayin zafi mai zafi da ƙasa, wanda hakan ya sa ya zama sanannen zaɓi ga aikace-aikacen marufin abinci daban-daban.

A , tiren filastik na CPET ana iya yin su a cikin tanda. Suna iya jure yanayin zafi daga -40°C zuwa 220°C (-40°F zuwa 428°F), wanda ke ba da damar amfani da su a cikin tanda na microwave, tanda na gargajiya, har ma da adanawa a cikin daskarewa.

A Babban bambanci tsakanin tiren CPET da tiren PP (Polypropylene) shine juriyar zafi da kayansu. Tiren CPET sun fi jure zafi kuma ana iya amfani da su a cikin tanda na microwave da na gargajiya, yayin da tiren PP galibi ana amfani da su don amfani da microwave ko adana sanyi. CPET yana ba da ƙarfi da juriya ga fashewa, yayin da tiren PP sun fi sassauƙa kuma wani lokacin suna iya zama ƙasa da tsada.

Ana amfani da tiren CPET don aikace-aikacen marufi daban-daban na abinci, gami da abincin da aka riga aka shirya, kayayyakin burodi, abincin daskararre, da sauran abubuwa masu lalacewa waɗanda ke buƙatar sake dumamawa ko dafawa a cikin tanda ko microwave.

CPET da PET dukkansu nau'ikan polyester ne, amma suna da halaye daban-daban saboda tsarin kwayoyin halittarsu. CPET nau'in lu'ulu'u ne na PET, wanda ke ba shi ƙarin tauri da kuma juriya ga yanayin zafi mai girma da ƙasa. Yawanci ana amfani da PET don kwalaben abin sha, kwantena na abinci, da sauran aikace-aikacen marufi waɗanda ba sa buƙatar irin wannan matakin juriyar zafin jiki. PET ya fi bayyana, yayin da CPET yawanci ba ya bayyana ko kuma ba ya bayyana.