Imichilo yokubopha uphawu ye-PVC iba yintandokazi yepulasitiki yensimbi kanye nemichilo yokubopha uphawu ngoba ayiqhekeki futhi kulula ukuwela. Kepha kuphela iminyaka emi-2-3, kwavela inkinga. Ukwehlukaniswa kwama-PVC PlasticiZers, inkinga enzima yezimboni yamazwe omhlaba, kuboniswe ngokucacile emibhikishweni yokubopha uphawu kwe-PVC.
Ngenxa yokwahlukaniswa kwepulasitiki, iphrofayili ingcoliswe yi-strip yerabha, ubude bufinyeziwe, isigaba esiphukile sifinyeziwe, kanye nezinkinga zokubopha okumpofu. Kodwa-ke, ukucutshungulwa kwe-Chinese Ukuphela kwe-PVC seaning strip kuqala ukuvela.
I-EPDM EPDM yokuvalwa uphawu ekhasini 2000, izwe lakhipha umyalo wombango ukukhawulela ukusetshenziswa kwe-polyvinyl chloride PVC uphawu lokubopha uphawu, futhi wakhuthaza ukusetshenziswa kwe-EPDM abicane ukubopha uphawu uphawu. I-EPDM Seating strip, umucu ophakeme wokubopha okusetshenziswa ezimotweni nasezitimeleni, ekugcineni wamukelwa embonini yezokwakha.
Eqinisweni, lalisetshenziswa kabanzi emnyango nasembonini yewindows ngemuva kuka-2002. Ngaleso sikhathi, iminyango namafasitela kwangena kancane kancane inkathi yeBridge Aluminium Alloys ephukile. I-EPDM yaqala ukufana nemichilo ephakeme kakhulu yokubopha uphawu ngenxa yezakhiwo zayo eziphakeme zomzimba kanye nokumelana nokuguga okuhle. Ngo-2011, okuthintwe ngamafutha aphesheya kanye nezinye izinto, intengo ye-ethylene propylene yaqhamuka, kwafika ubusika bemicu ye-EPDM, ngakho-ke ukuhlakanipha kwamaShayina kwafika, irabha elibuyiselwe emuva laqala ukusetshenziselwa izinxushunkwane. Kunzima ukuza izibilini ezinhle. Umnyango kanye newindi uphawu lokubopha uphawu lwe-strip @ 门 Iwindi elithile eChina liyisisekelo semichilo yokubekwa uphawu kwasekhaya, futhi cishe ama-70% ama-EPDM wokwakha uphawu wokwakha uphawu lwe-EPDM aqhamuka kule ndawo. Kunomqashi emkhakheni ofanayo kule County, futhi ama-70% we-Ethylene-propylene ethambisa ukubopha uphawu kithi.
I-Silicone Rubber Sealing Strip ayikho izinto zakamuva kakhulu zemichilo yokubopha uphawu, kepha akunjalo. I-Silicone Rubber inomlando wamashumi eminyaka eChina. Umnyango kanye newindows Beaving Bracting Abforsers empeleni ziyizintandokazi zenjoloba eminyakeni embalwa edlule, futhi zintekenteke kakhulu. Eminyakeni yamuva, izindleko zinciphile kancane kancane, futhi zisetshenziselwe kancane kancane ekwakheni izimpawu zokwakha iziMpawu.
Uma kuqhathaniswa nenjoloba ye-ethylene-propylene, inzuzo yenjoloba ye-silicone yokubopha uphawu ukuthi ine-shrinkage engcono kakhulu kune-ethylene-trubber, ngakho-ke ukusebenza kwe-subrlene kungcono, futhi kusuka ekulinganiseni kwe-trubber kungcono, futhi kusuka kunqubo yokulinganisa yesikhathi kungamelana nenjoloba ye-ethylene-propylene. Irabha likuhle kakhulu ngo-180 ° C. Ngaphansi kwezinga lokushisa elifanayo, impilo ye-aillicone rubber iyiphindwe kabili yenjoloba ye-ethylene propylene, futhi impilo yenkonzo yinde. Futhi ine-inertia enhle kakhulu ye-inertia ye-inertia, engeyona into, ayinambitha, i-silicone Rubber futhi inokumelana okuhle kakhulu, ukumelana okubandayo, ukumelana nokuqina kwe-silicone ukumelana neminyango elisanda ku-arvice lokushisa). Ngakho-ke irabha le-silicone liyinketho enhle yokwakha izimpawu zesikhathi sanamuhla.
Isikhathi sePosi: Sep-01-2023