PETG ọkara karamabụ akpa nchekwa nchekwa plastik na-enweghị atụ nke ejiri echekwa serum, ọkara, ihe nchekwa na ihe ngwọta ndị ọzọ.Iji zere mmetọ microbial sitere na nkwakọ ngwaahịa, a na-emechasị ha niile, yana cobalt 60 na-ekpochasị ngwugwu a tumadi.

Sterilisation pụtara iwepu ma ọ bụ gbuo nje bacteria niile, nje, fungi na microorganisms ndị ọzọ dị na karama PETG site n'ụzọ anụ ahụ na kemịkal dị iche iche, ka o wee ruo ọkwa nkwa nke asepsis nke 10-6, ya bụ, iji hụ na enwere ike ịdị ndụ. nke microorganisms na isiokwu bụ naanị otu n'ime nde.Naanị n'ụzọ dị otú a nwere ike igbochi microorganisms dị na nkwakọ ngwaahịa ka ọ ghara ịkpata mmetọ ọzọ nke ihe dị n'ime.

Cobalt-60 sterilization bụ ojiji nke 60Co γ-ray irradiation, na-eme ihe na microorganisms, ozugbo ma ọ bụ na-apụtaghị ìhè na-ebibi nucleus nke microorganisms, si otú ahụ na-egbu microorganisms, na-arụ ọrụ nke disinfection na sterilization.Ọ bụ ụdị teknụzụ sterilization irradiation.Ụzarị γ-ray nke redioaktivu isotope cobalt-60 mepụtara na-eme ka nri ekpokọtara.N'ime usoro nnyefe ike na nnyefe, a na-emepụta mmetụta anụ ahụ siri ike na nke ndụ iji nweta nzube nke igbu ụmụ ahụhụ, sterilizing bacteria na igbochi usoro physiological.60Co-γ-ray irradiation sterilization bụ teknụzụ "nhazi oyi", ọ bụ sterilization na ụlọ okpomọkụ, γ-ray ike dị elu, ntinye siri ike, na sterilization n'otu oge ahụ, agaghị eme ka mmụba nke okpomọkụ nke ihe, a makwaara dị ka usoro ịgba ọgwụ mgbochi oyi.