TOP 5 Elastomers ya Gasket & Ikidodo Porogaramu
Elastomers ni iki? Ijambo rikomoka kuri "elastique" -imwe mubintu byingenzi bya reberi. Ijambo "rubber" na "elastomer" rikoreshwa mu buryo bumwe kugirango ryerekane polymers zifite viscoelasticity bakunze kwita "elastique." Imiterere yihariye ya elastomers harimo guhinduka, kuramba cyane hamwe no guhuza imbaraga hamwe no kugabanuka (damping numutungo wa reberi itera guhindura ingufu za mashini mubushuhe mugihe ziterwa no gutandukana). Iyi mitungo idasanzwe ituma elastomers ari ikintu cyiza kuri gasketi, kashe, izigunga ors, nibindi nkibyo.
Mu myaka yashize, umusaruro wa elastomer wimutse uva muri reberi karemano yaturutse ku biti latex igahinduka cyane. Mugukora ibyo bitandukanye, imitungo yihariye igerwaho hifashishijwe inyongeramusaruro nkuzuza cyangwa plastiseri cyangwa nukugereranya ibintu bitandukanye muburyo bwa copolymer. Ubwihindurize bwibikorwa bya elastomer birema ibintu byinshi bishoboka bya elastomer bishobora gukorwa, gukora, no kuboneka kubisoko.
Kugirango uhitemo ibikoresho bikwiye, umuntu agomba kubanza gusuzuma ibipimo rusange byerekana imikorere ya elastomer mugikapu no gushiraho kashe. Mugihe uhitamo ibikoresho bifatika, injeniyeri akenshi bagomba gufata ibintu byinshi mukuzirikana. Imiterere ya serivisi nkubushyuhe bwimikorere, ibidukikije, guhuza imiti, nibisabwa mubukanishi cyangwa kumubiri byose bigomba gusuzumwa neza. Ukurikije porogaramu, iyi serivise irashobora kugira ingaruka cyane kumikorere no kuramba kwa gaze ya elastomer cyangwa kashe.
Hamwe nibi bitekerezo, reka dusuzume eshanu muri elastomers ikoreshwa cyane kuri gasketi hamwe na kashe.
1)Buna-N / Nitrile / NBR
Amagambo yose ahwanye, iyi sintetike ya rubber copolymer ya acrylonitrile (ACN) na butadiene, cyangwa Nitrile butadiene rubber (NBR), ni amahitamo azwi cyane akunze kugaragara mugihe lisansi, amavuta na / cyangwa amavuta ahari.
Ibyingenzi byingenzi:
Ikigereranyo cy'ubushyuhe ntarengwa kuva ~ -54 ° C kugeza 121 ° C (-65 ° - 250 ° F).
Kurwanya cyane amavuta, ibishishwa na lisansi.
Kurwanya neza abrasion, gutemba gukonje, kurwanya amarira.
Bikunzwe kubisabwa hamwe na Azote cyangwa Helium.
Kurwanya nabi UV, ozone, nikirere.
Kurwanya nabi ketone na hydrocarbone ya chlorine.
Byinshi Byakoreshejwe muri:
Ikirere & Automotive Fuel Gukoresha Porogaramu
Igiciro kigereranijwe:
Hasi Kugereranya
2) EPDM
Ibigize EPDM bitangirana na copolymerisation ya Ethylene na propylene. Monomer ya gatatu, diene, yongeweho kugirango ibikoresho bishobore guterwa na sulfuru. Umusaruro watanzwe uzwi nka Ethylene propylene diene monomer (EPDM).
Ibyingenzi byingenzi:
Ikigereranyo cy'ubushyuhe ntarengwa kuva ~ -59 ° C kugeza 149 ° C (-75 ° - 300 ° F).
Ubushyuhe buhebuje, ozone no kurwanya ikirere.
Kurwanya neza ibintu bya polar hamwe na parike.
Ibikoresho byiza byamashanyarazi.
Kurwanya neza ketone, aside isanzwe ivanze, na alkaline.
Kurwanya nabi amavuta, lisansi, na kerosene.
Kurwanya nabi hydrocarbone ya alifatique, umusemburo wa halogene, hamwe na acide yibanze.
Byinshi Byakoreshejwe Muri:
Gukonjesha / Ibidukikije bikonje
Sisitemu yo gukonjesha ibinyabiziga hamwe nikirere gikuraho porogaramu
Igiciro kigereranijwe:
Hasi - Muciriritse
3) Neoprene
Umuryango wa neoprene wa reberi yubukorikori ukorwa na polymerisation ya chloroprene kandi izwi kandi nka polychloroprene cyangwa Chloroprene (CR).
Ibyingenzi byingenzi:
Ikigereranyo cy'ubushyuhe ntarengwa kuva ~ -57 ° C kugeza kuri 138 ° C (-70 ° - 280 ° F).
Ingaruka nziza, abrasion na flame irwanya ibintu.
Kurwanya amarira meza no kwikuramo.
Kurwanya amazi meza.
Kurwanya neza guhura na ozone, UV, hamwe nikirere kimwe namavuta, amavuta, hamwe na solde yoroheje.
Kurwanya nabi acide zikomeye, umusemburo, esters, na ketone.
Kurwanya nabi chlorine, aromatic, na nitro-hydrocarbone.
Byinshi Byakoreshejwe Muri:
Ibidukikije byo mu mazi
Ibyuma bya elegitoroniki
Igiciro kigereranijwe:
Hasi
4) Silicone
Rubber ya silicone ni polymer-vinyl methyl polysiloxane, yagenwe nka (VMQ), ikora neza cyane mubibazo byubushyuhe. Bitewe nubuziranenge bwabo, reberi ya silicone ikwiranye cyane nogukoresha isuku.
Ibyingenzi byingenzi:
Ikigereranyo cy'ubushyuhe ntarengwa kuva ~ -100 ° C kugeza kuri 250 ° C (-148 ° - 482 ° F).
Kurwanya ubushyuhe buhebuje.
Indashyikirwa za UV, ozone no kurwanya ikirere.
Erekana ubushyuhe bwiza bwo hasi bwibikoresho byashyizwe ku rutonde.
Ibintu byiza bya dielectric.
Imbaraga zidahwitse no kurwanya amarira.
Kurwanya nabi kumashanyarazi, amavuta, hamwe na acide yibanze.
Kurwanya nabi amavuta.
Byinshi Byakoreshejwe Muri:
Ibiryo n'ibinyobwa
Gukoresha Ibidukikije bya Farumasi (Usibye guhagarika sterile)
Igiciro kigereranijwe:
Guciriritse - Hejuru
5) Fluoroelastomer / Viton®
Viton® fluoroelastomers yashyizwe mubyiciro FKM. Iki cyiciro cya elastomers ni umuryango ugizwe na copolymers ya hexafluoropropylene (HFP) na fluoride ya vinylidene (VDF cyangwa VF2).
Terpolymers ya tetrafluoroethylene (TFE), fluoride ya vinylidene (VDF) na hexafluoropropylene (HFP) kimwe na perfluoromethylvinylether (PMVE) irimo ubuhanga bigaragara mu byiciro byisumbuye.
FKM izwi nkigisubizo cyo guhitamo mugihe hakenewe ubushyuhe bwinshi kimwe no kurwanya imiti.
Ibyingenzi byingenzi:
Ikigereranyo cy'ubushyuhe ntarengwa kuva ~ -30 ° C kugeza 315 ° C (-20 ° - 600 ° F).
Ibyiza byo kurwanya ubushyuhe bwiza.
Indashyikirwa za UV, ozone no kurwanya ikirere.
Kurwanya nabi ketone, uburemere buke bwa molekile.
Kurwanya nabi alcool hamwe nibintu birimo nitro
Kurwanya nabi ubushyuhe buke.
Byinshi Byakoreshejwe Muri:
Amazi yo mu mazi / SCUBA
Imodoka ya lisansi ikoreshwa hamwe nibice byinshi bya Biodiesel
Ikirangantego cyo mu kirere Ikoreshwa mu gushyigikira lisansi, amavuta, na Hydraulic
Igiciro kigereranijwe:
Hejuru
Igihe cyo kohereza: Apr-15-2020