Dow Corning, eo hona joale e sebetsang tlas'aDOWSIL™letshwao e le karolo ya Dow Inc., kepula-maliboho oa lefats'e le moetapele oa theknoloji ea silicone. E thehiloe ka 1943 e le kopanelo pakeng tsa The Dow Chemical Company le Corning Incorporated, lets'oao lena le hahile lefa la boqapi la lilemo tse fetang 80, le fana ka lihlahisoa le litharollo tse fetang 7,000 tse thehiloeng ho silicone ho bareki ba fetang 25,000 ho pholletsa le liindasteri. E tumme ka lebaka la eona.ho tšoarella ho sa bapisoeng, ho hanyetsa boemo ba leholimo, le ho tenyetseha, Li-sealant tsa silicone tsa DOWSIL™ li fetohile tekanyetso ea khauta bakeng sa ho koala, ho kopanya le ho sireletsa makaleng a kaho, likoloi, lisebelisoa tsa elektroniki, indasteri le matla a nchafatsoang. Ho fapana le li-sealant tsa tlhaho, li-silicone tsa DOWSIL™ li boloka ho tenyetseha ho ikhethang, botsitso le ts'ebetso maemong a mocheso o feteletseng (-40°C ho isa ho 260°C), ho pepesehela mahlaseli a kotsi a UV, le libaka tse thata tsa lik'hemik'hale, tse fanang ka ts'epo ea nako e telele e tšoarellang ho feta mekhoa e meng ea setso.
Melemo ea Sehlahisoa sa Bohlokoa
Li-sealant tsa silicone tsa DOWSIL™ li hlahella ka lebaka la tsonathepa e ikhethang ea thepatse rarollang liphephetso tsa bohlokoa tsa indasteri:
- Khanyetso e Phahameng ea Boemo ba Leholimo le UV: E entsoe ka li-polymer tse tsoetseng pele tsa silicone, li hanela ho ba mosehla, ho petsoha le ho senyeha tlas'a khanya ea letsatsi e telele, ozone le litšila tsa sepakapaka, li boloka ts'ebetso ka lilemo tse fetang 20 lits'ebetsong tsa kantle.
- Ho Tsitsisa Mocheso o Feteletseng: Boloka ho tenyetseha le botšepehi ba ho tiisa ho tloha maemong a batang a arctic ho ea libakeng tsa indasteri tse chesang haholo, u hlole polyurethane le li-sealant tsa acrylic ka ho potoloha ha mocheso.
- Ho khomarela ho babatsehang: E hokahane ka matla le khalase, tšepe, konkreite, lejoe, polasetiki, letsopa le libaka tse pentiloeng—mefuta e mengata e fana kaho khomarela ntle le primer, ho nolofatsa ho kenya le ho fokotsa litšenyehelo tsa basebetsi.
- Khanyetso ea ho se kenelle metsi le lik'hemik'hale: Etsa tšitiso e teteaneng, e ke keng ea qojoa khahlanong le mongobo, pula le mongobo; hanela oli, li-solvent, sesepa sa ho hlatsoa le li-acid/alkali tse bonolo, e leng se etsang hore li be ntle bakeng sa libaka tse thata tsa indasteri le tsa leoatle.
- Bokgoni ba ho Fokotsa le ho Tsamaya ka Bongata: E amohela metsamao ya manonyeletso ya ±25% ho isa ho ±50% ntle le ho hloleha, e ikamahanya le ho dula ha sebopeho, katoloso ya mocheso, le ho thothomela.
- E Sireletsehile ebile e Bolokehile: Lihlahisoa tse ngata kee nang le VOC e tlase, ha e na chefo, ebile ha e na monko, e latela maemo a REACH, RoHS, le a moaho o motala, e loketse bakeng sa matlo a ka tlung, tlhokomelo ea bophelo bo botle le libaka tsa sechaba.
- Kopo e bonolo: E fumaneha e le mekhoa ea RTV (ho vulcanizing mochesong oa kamore) ea karolo e le 'ngoe—ha ho hlokahale ho kopanya, e fanoang ka lithunya tse tloaelehileng tsa caulking, tse nang le litšobotsi tse sa thekeseleng bakeng sa manonyeletso a otlolohileng le a holimo.
Maemo a Ts'ebeliso ea Bohlokoa
Li-sealant tsa silicone tsa DOWSIL™ li entsoe bakeng salibaka tse fapaneng, tse nang le melemo e mengata, ka ditharollo tse etseditsweng indasteri e nngwe le e nngwe:
1. Enfelopo ea Kaho le Meaho
Karolo e kholo ka ho fetisisa ea ts'ebeliso, li-sealant tsa DOWSIL™ li bohlokoa ho meralo ea sejoale-joale, li netefatsa botšepehi ba sebopeho le ts'ebeliso e ntle ea matla:
- Khalase ea Meaho: DOWSIL™ 995 le 791 ke di-silicone tsa meaho tse etellang pele indastering bakeng sa ho kopanya khalase, aluminium le diphanele tse kopaneng ho ya diforeiming tsa meaho, tse nolofalletsang meralo ya lebota la lesira ka pono e sa sitisweng le ho hanela mojaro wa moya.
- Ho thibela boemo ba leholimo: DOWSIL™ NP (khaello e sa nke lehlakore) le GP (khaello ea acetic) li tiisa liforeimi tsa lifensetere/menyako, manonyeletso a katoloso, ho kenella ha marulelo, le likheo tsa facade, ho thibela ho kenella ha metsi le ho lutla ha moea ho ntlafatsa ts'ebetso ea matla.
- Ho Qetella ka Hare: DOWSIL™ 780 e tiisa disebediswa tsa kamore ya ho hlapela/kichine, grout ya dithaele, le manonyeletso a ho ikgantsha, e hanela hlobo, hlobo le tshenyo ya metsi dibakeng tse nang le mongobo o mongata.
- Meralo ea motheo: E sebelisoa marokhong, lithaneleng le litseleng tse kholo ho koala manonyeletso a katoloso, ho sireletsa konkreite khahlanong le mafome, le ho mamella sephethephethe se seholo le khatello ea tikoloho.
2. Likoloi le Lipalangoang
Bohlokoa bakeng sa ts'ebetso ea koloi, polokeho le ho tšoarella:
- Enjene le Powertrain: Li-sealant tsa DOWSIL™ 730 RTV li etsa li-gasket tse sa futhumatseng bakeng sa lienjene, li-transmission le litsamaiso tsa ho ntša mosi, tse mamellang oli, mafura le mocheso o fihlang ho 260°C.
- 'Mele le Khalase: Kwala lifensetere tsa koloi, marulelo a letsatsi, le li-assembly tsa lifensetere, ho fana ka khanyetso ea ho thothomela le ho thibela metsi ha ho ntse ho bolokoa botsitso ba sebopeho ha ho thulana.
- Likoloi tsa Motlakase (li-EV): DOWSIL™ 737 e tiisa dipakete tsa betri, diteishene tsa motlakase o phahameng, le diyuniti tsa taolo ya elektroniki (ECU), tse sireletsang kgahlanong le mongobo, lerōle le kgatello ya mocheso ditereneng tsa motlakase tsa EV.
3. Lisebelisoa tsa Elektroniki le tsa Motlakase
Bohlokoa bakeng sa ho sireletsa likarolo tse bonolo lisebelisoa tsa elektroniki tsa bareki, tsa indasteri le tsa lifofane:
- Tšireletso ea PCB: Liaparo tse koahetsoeng ka mokhoa o ikhethileng (mohlala, DOWSIL™ 1-2577) li tiisa liboto tsa potoloho tse hatisitsoeng khahlanong le mongobo, lerōle le mafome, ho netefatsa hore lisebelisoa tsa bareki, li-server le litsamaiso tsa indasteri lia tšepahala.
- Mabone a LED: Li-encapsulant tse nang le index e phahameng ea refractive (mohlala, CL-1000) li sireletsa li-chip tsa LED, li ntlafatsa tlhahiso ea leseli le botsitso ba mocheso bakeng sa mabone a likoloi, mabone a literateng le liphanele tsa lipontšo.
- Matla le Mehala ea Thelefono: Kwala dikoahelo tsa motlakase, di-transformer, le diteishene tsa motheo tsa 5G, ho fana ka ho thibela mocheso le ho hanela dithempereichara tse feteletseng le ditshila tsa tikoloho.
4. Liindasteri le Tlhahiso
Bakeng sa lisebelisoa tse boima le ts'epo ea ts'ebetso:
- Ho Tiisa Lisebelisoa: DOWSIL™ 8888 disealant tse nang le mocheso o phahameng di sireletsa dionto tsa diindasteri, dionto le mechini, di mamella ho tshoha ha mocheso le ho pepesehela dikhemikhale.
- Kopano le Tlamo: E sebelisoa tlhahisong ea lisebelisoa (lihatsetsing, liontong), litsamaisong tsa HVAC, le tlhahisong ea tšepe, e fana ka litlamo tse tšoarellang le tse tenyetsehang pakeng tsa lisebelisoa tse fapaneng.
- Sekepe sa metsing le sa mose ho maoatle: Kwala dikotwana tsa sekepe, dikotwana tsa sekepe, le disebediswa tsa lewatle, o hanele metsi a letswai, mahlasedi a UV, le maemo a thata a lewatle bakeng sa ho tshwarella nako e telele.
5. Matla a Nchafatswang
Bohlokoa bakeng sa meralo ea motheo ea eneji e tsitsitseng:
- Mekhoa ea PV ea Letsatsi: Kwala diforeimi tsa phanele tsa photovoltaic, mabokose a kgokelo, le meaho ya ho kenya, ho sireletsa kgahlanong le mongobo le diphetoho tsa mocheso ho eketsa nako ya bophelo ba phanele.
- Li-turbine tsa Moea: Kwala li-nacelles, manonyeletso a mahare, le litsamaiso tsa taolo, ho mamella meea e matla, ho thothomela, le ho pepesehela kantle mapolasing a moea a lebōpong la leoatle le a lebōpong la leoatle.
Qetello
Li-silicone sealant tsa DOWSIL™ (tseo pele e neng e le Dow Corning) li emelatlhoro ea theknoloji ea silicone, ho kopanya mashome a lilemo a R&D, boiphihlelo ba saense ea thepa, le boenjiniere bo ikhethileng indastering. Ho tloha mathuleng a malelele ho ea libetering tsa EV, ho tloha mechining ea indasteri ho ea mapolasing a letsatsi, li-sealant tsena li fana katshebetso e sa bapisoeng, ho tšoarella le ho tshepahalalits'ebetsong tse hlokang boiteko bo boholo lefatšeng. Jwalo ka molekane ya tshepahalang wa boradipolane, baenjiniere, borakonteraka le bahlahisi lefatsheng ka bophara, DOWSIL™ e ntse e tswela pele ho qapa dintho tse ntjha, e fana ka ditharollo tsa ho kwala tse tsitsitseng, tse sebetsang hantle tse bopang bokamoso ba kaho, dipalangwang, di-elektroniki le matla a ntjhafatswang. Ebang ke bakeng sa ntloana ya bodulo kapa projeke e kgolo ya meralo ya motheo, di-sealant tsa DOWSIL™ ke kgetho ya tshireletso e tshwarellang le kgotso ya kelello.
Nako ea poso: Mmesa-30-2026