He aha rawa te kirihou PVC? Ko te ingoa katoa o te PVC ko Polyvinylchloride, ko te wāhanga matua ko te polyvinyl chloride, ā, ka tāpirihia ētahi atu wāhanga hei whakarei ake i tōna ātete wera, tōna pakari, tōna ngāwari, me ētahi atu. E toru ngā paparanga o te pepa PVC. Ko te paparanga o runga o te PVC he lacquer, ko te wāhanga matua kei waenganui.

Hei wāhanga nui o ngā hua PVC ngāwari, he nui te awe o te plasticizer ki te mahi a ngā hua PVC ngāwari. Mena me whakamahi ngā hua PVC ngohengohe (ngā ārai tatau rokiroki makariri PVC) i ngā pāmahana iti, me whiriwhiri ngā plasticizer he ātete pāmahana pai.

He rauemi kirihou māmā hou te papa pahuka PVC, ko te PVC te rauemi matua. Ka hangaia te papa pahuka PVC mā roto i ngā tukanga pahuka motuhake, pērā i te pahuka kore utu, te celuka rānei. He ātete te papa pahuka PVC ki te makuku, he ātete ki te tinei (ā-ake), he pumau, kāore he paitini, he kaha ki te ārai i te koroheketanga. I taua wā, he e

Tērā pea ētahi e pātai he aha te DOP me te DOTP. He rerekētanga kei waenganui i a rāua? He aha ngā painga me ngā ngoikoretanga o aua mea? Mā Huisu Qinye koe e kōrero he aha te DOP me te DOTP. Ka whakamārama atu hoki mātou i te rerekētanga i waenganui i te DOP me te DOTP. E kiia ana te dioctyl phthalate ko te dioctyl ester.

He maha ngā momo rauemi kirihou e wātea ana i roto i te umanga tākai. Ina hiahia koe ki te tākai i ō hua, tera pea ka kitea e koe ngā rauemi kirihou e rua e whakamahia whānuitia ana: ngā rauemi kirihou PET me te PVC. I Huisuqinye Plastics Group, he maha ngā pātai a ngā kiritaki ki a mātou ko ēhea ngā rauemi kirihou kua whakamātauhia hei mea pai rawa atu.