Ua lilo nā kaula hoʻopaʻa PVC i mea punahele i ka puka kila plastik a me nā ʻāpana hoʻopaʻa puka makani no ka mea ʻaʻole lākou e haki a maʻalahi ke wili.Akā ʻo 2-3 mau makahiki wale nō, ua ʻike ʻia ka pilikia.ʻO ka hoʻokaʻawale ʻana o nā plasticizers PVC, kahi pilikia paʻakikī o ka ʻoihana honua, ua ʻike maopopo ʻia i nā kaula sealing PVC.
Ma muli o ka hoʻokaʻawale ʻana o ka plasticizer, hoʻohaumia ʻia ka ʻaoʻao e ka ʻōpala, ua pōkole ka lōʻihi, ua pōkole ka ʻāpana haʻihaʻi, a nui nā pilikia o ka hoʻopaʻa ʻana.Eia nō naʻe, ʻo ka hana ʻana o ka hale hana liʻiliʻi Kina, ka hoʻemi ʻana i ke kumu kūʻai o Kina, a me ka hoʻokūkū kumu kūʻai haʻahaʻa Kina ma ka puka a me ka puka aniani i alakaʻi ʻia i ka hoʻohana ʻana i nā plasticizers kīnā ʻole a me ka recycled PVC, kahi i hoʻonui ai i nā pilikia o ka holoʻokoʻa. ʻoihana hoʻopaʻa paʻa.Ke hoʻomaka nei ka hopena o ka PVC sealing strip.
EPDM EPDM sealing strips I ka ho'omaka 'ana o ka makahiki 2000, ua ho'opuka ka 'āina i ke kauoha kīvila e kapu i ka ho'ohana 'ana i ka polyvinyl chloride PVC sealing strips, a paipai i ka ho'ohana 'ana i ka EPDM EPDM sealing strips a me MVQ silicone rubber sealing strips.EPDM sealing strip, kahi kiʻekiʻe kiʻekiʻe sealing strip i hoʻohana ʻia i nā kaʻa a me nā kaʻaahi, ua ʻae ʻia e ka ʻoihana kūkulu.
ʻO kaʻoiaʻiʻo, ua hoʻohana nuiʻia i kaʻoihana puka a me ka puka makani ma hope o 2002. I kēlā manawa, ua komo mālie nā puka a me nā puka makani i ke au o nā alahaka haʻihaʻi alumini.Ua like ka EPDM me nā ʻāpana sila kiʻekiʻe ma muli o kona mau waiwai kino maikaʻi a me ke kūpaʻa ʻelemakule maikaʻi.I ka makahiki 2011, ua hoʻopilikia ʻia e ka aila honua a me nā kumu ʻē aʻe, ua piʻi ke kumukūʻai o ka ethylene propylene, a ua hiki mai ka hoʻoilo o ka EPDM sealing strips, no laila ua hele mai ka naʻauao Kina, ua hoʻomaka ka hoʻohana ʻana i ka lāʻau i hoʻohana ʻia i nā mea nui, a aia ka mākeke hoʻopaʻa paʻa holoʻokoʻa. haunaele.He paʻakikī ke loaʻa nā sila maikaʻi.Mea hana pani pani puka a me ka pukaaniani@门Window气气调板厂家 ʻO kekahi kalana ma Kina ke kumu o nā ʻili hoʻopaʻa hoʻopaʻa hale, a ma kahi o 70% o nā ʻāpana hoʻopaʻa hoʻopaʻa hale EPDM o Kina mai kēia kalana.Aia kekahi luna ma ia ʻoihana hoʻokahi ma kēia kalana, a ʻo 70% o ka ethylene-propylene sealing strips o ka ʻāina i loaʻa mai iā mākou.
ʻAʻole ʻo ia ka mea hou loa no ka hoʻopaʻa paʻa ʻana i ka pahu silikoni, akā ʻaʻole.He moʻolelo ʻo Silicone rubber i nā makahiki he mau makahiki ma Kina.ʻO nā mea hana pani pani puka a me ka puka makani ka mea punahele o ka lāʻau i nā makahiki i hala iho nei, a he palupalu loa lākou.I nā makahiki i hala iho nei, ua emi iki ke kumukūʻai, a ua hoʻohana mālie ʻia lākou i ke kūkulu ʻana i nā sila.
Ke hoʻohālikelike ʻia me ka ethylene-propylene rubber, ʻoi aku ka maikaʻi o ka silicone rubber no ka hoʻopaʻa ʻana ʻoi aku ka maikaʻi o ka shrinkage a me ka deformation hana ma mua o ka ethylene-propylene rubber, no laila ʻoi aku ka maikaʻi o ka hana hoʻopaʻa ʻana, a mai ke kumu o ka hoʻohālikelike ʻana i ka manawa-mahana, hiki i ka silicone rubber ke kūpaʻa. nā mahana a hiki i 300 ° C, a kū'ē i ka ethylene-propylene rubber.ʻOi aku ka maikaʻi o ka 180 ° C.Ma lalo o ka mahana like, ʻoi aku ka lōʻihi o ke ola o ka silicone rubber ma mua o ka ethylene propylene rubber, a ʻoi aku ka lōʻihi o ke ola lawelawe.A loaʻa iā ia ka inertia physiological maikaʻi loa, non-toxic, tasteless, silicone rubber no ka maikaʻi o ka wela wela, ke kū anuanu, nā waiwai dielectric, ke kū'ē ozone a me ke kū'ē o ka lewa a me nā hana ʻē aʻe, ʻo ka hana koʻikoʻi o ka silicone rubber ka hoʻohana ʻana i ka wela ākea, hiki ke hoʻohana i ka puka a me ka puka makani sealing strip mea hana no ka manawa lōʻihi ma -60 ° C (aiʻole ka haʻahaʻa haʻahaʻa) i + 250 ° C (a i ʻole ka wela kiʻekiʻe).No laila ʻo ka silicone rubber kahi koho kūpono no ke kūkulu ʻana i nā sila i kēia au.
Ka manawa hoʻouna: Sep-01-2023