Uwe akwa PET na-abụghị nke a kapịrị ọnụ nke ụlọ bụ ụdị akwa anaghị kpara akpa, nke sitere na polyester. A na-eme ya site n'ịtụgharị na ikpo ọkụ na-ekpo ọkụ ọtụtụ filament polyester na-aga n'ihu.
1. PET ákwà na-abụghị nke a na-eji akwa akwa bụ ụdị mmiri na-ekpuchi mmiri na-adịghị ekpuchi mmiri, na arụmọrụ mmiri ya na-agbanwe na mgbanwe nke ibu. The thicker ibu, mma nke waterproof arụmọrụ. Ọ bụrụ na enwere ụmụ irighiri mmiri n'elu akwa akwa na-abụghị nke a kpara akpa, ụmụ irighiri mmiri ga-apụ ozugbo n'elu.
2. Nnukwu okpomọkụ na-eguzogide. N'ihi na ebe mgbaze nke polyester dị ihe dị ka 260 Celsius C, ọ nwere ike ịnọgide na-enwe nkwụsi ike nke nha ákwà na-adịghị kpara akpa na gburugburu ebe okpomọkụ na-eguzogide. Otú ọ dị, kpọmkwem nguzogide okpomọkụ dị elu na-emetụtakwa ihe ndị dị ka ọkpụrụkpụ, njupụta, na ihe onwunwe nke PET anaghị kpara akwa. A na-eji ya eme ihe n'ọtụtụ ebe na mbipụta nnyefe okpomọkụ, ntinye mmanụ na-ebufe mmanụ, na ụfọdụ ihe mgbagwoju anya nke chọrọ nguzogide okpomọkụ dị elu.
3. PET na-abụghị kpara akwa bụ a filament na-abụghị kpara ákwà nke abụọ naanị naịlọn spunbond na-abụghị kpara akwa. Ike ya dị oke mma, ikike ikuku pụtara ìhè, nkwụchi anya mmiri na ihe mgbochi ịka nká ejirila ọtụtụ ndị mmadụ na-eme ihe n'akụkụ dị iche iche.
4. PET ákwà na-abụghị kpara nwekwara ihe pụrụ iche nke anụ ahụ: iguzogide ụzarị gamma. Ya bụ, ọ bụrụ na etinyere ya na ngwaahịa ọgwụ, enwere ike iji ụzarị gamma gbachaa ya ozugbo na-emebighị ihe anụ ahụ ya na nkwụsi ike nke akụkụ ya. Nke a bụ ihe onwunwe nke polypropylene (PP) spunbond akwa anaghị kpara akpa enweghị.
PET, nke a na-akpọkarị polyester, bụ ụdị eriri sịntetịt kachasị ukwuu n'ihe gbasara mmepụta, nke a makwaara dị ka akwa anaghị kpara polyester. Emere ya site na ihe polyester fiber (PET) site na teknụzụ spunbond. Enwere ike ịhazi ihe a na nha dị iche iche, obosara, na textures, na n'ihi arụmọrụ ya dị mma, ọ na-enwe ike dị elu nke ukwuu, na-eguzogide ọgwụ, nkwụsị nke ụkọ mmiri ozuzo, na mmiri na-eguzogide. Ọ na-eguzogidekwa oke ịcha ọcha na ọ naghị agbaji ngwa ngwa. PET spunbond akwa anaghị kpara akpa nwere ọtụtụ ojiji, na-eme ka ọ bụrụ ihe dị mma maka ịgbanye na nkwakọ ngwaahịa.