He maha ngā momo takirere, engari he rite tonu te mahi matua, arā, he hono, he tapahi rānei i te rere o te reo. Nō reira, he tino kitea te raruraru hiri o te takirere.
Hei whakarite kia taea e te takirere te aukati pai i te rere o te reo me te kore e turuturu, me whakarite kia mau tonu te hiri o te takirere. He maha ngā take mō te turuturu o te takirere, tae atu ki te hoahoa hanganga koretake, te mata hiri hapa, ngā wāhanga here koretake, te koretake o te hononga i waenga i te tinana takirere me te taupoki, me ētahi atu. Ka arahi pea ēnei raruraru katoa ki te hiri koretake o te takirere. Āe, ka puta he raruraru turuturu. Nō reira, he hangarau nui te hangarau hiri takirere e pā ana ki te mahi me te kounga o te takirere, ā, me rangahau pūnaha me te hohonu.
Ko ngā momo rauemi hiri e whakamahia whānuitia ana mō ngā takirere ko ēnei:
1. NBR
He tino ātete ki te hinu, he ātete ki te kakahu, he ātete pai ki te wera, he piri kaha. Ko ōna ngoikoretanga ko te ātete iti ki te pāmahana, te ātete ozone ngoikore, ngā āhuatanga hiko ngoikore, me te paku ngoikore o te ngāwari.
2. EPDM
Ko te āhuatanga tino nui o te EPDM ko tōna ātete pai ki te waikura, te ātete ki te ozone me te ātete ki te waikura. Nā te mea nō te whānau polyolefin te EPDM, he tino pai ōna āhuatanga whakamomona.
3. PTFE
He kaha te ātete matū o te PTFE, he ātete ki te nuinga o ngā hinu me ngā whakarewa (haunga ngā ketone me ngā esters), he ātete pai ki te huarere me te ātete ki te ozone, engari he iti te ātete ki te makariri.
4. Rino maka
Kia mōhio: Ka whakamahia te rino maka mō ngā rauemi wai, hau me te hinu me te pāmahana o≤100°C me te pēhanga ingoa o≤1.6mpa.
5. Koranu e hangai ana ki te nikara
Kia mōhio: Ka whakamahia ngā koranu nikara mō ngā paipa me te pāmahana o -70~150°C me te pēhanga hangarau PN≤20.5mpa.
6. Parahi koranu
He pai te ātete ki te kakahu o te koranu parahi, ā, he pai mō ngā paipa wai me te mamaoa me te pāmahana≤200℃me te pēhanga ingoa PN≤1.6mpa.
Wā tuku: Hakihea-02-2022
