Sealant ke thepa ea ho tiisa e fetohang sebopeho sa bokaholimo ba tiiso, ha ho bonolo ho phalla, 'me e na le sekhomaretsi se itseng. Ke sekhomaretsi se sebelisetsoang ho tlatsa likheo pakeng tsa lintho ho phetha karolo ea ho tiisa. E na le mesebetsi ea ho thibela ho lutla, ho thibela metsi, ho thibela ho sisinyeha, ho thibela molumo le ho thibela mocheso.
Hangata e thehiloe holim'a lisebelisoa tsa viscous tse omeletseng kapa tse sa omeletseng tse kang asphalt, resin ea tlhaho kapa resin ea maiketsetso, rabara ea tlhaho kapa rabara ea maiketsetso. E entsoe ka li-filler tse inert tse kang talc, letsopa, carbon black, titanium dioxide le asbestos, ebe e eketsa li-plasticizers, solvents, li-agent agents, li-accelerator, joalo-joalo.
Sehlopha sa li-sealants
Sealant e ka aroloa ka elastic sealant, liquid sealant gasket le mekhahlelo e meraro ea sealing putty.
Ho ea ka lihlopha tsa lik'hemik'hale:e ka aroloa ka mofuta oa rabara, mofuta oa resin, mofuta o thehiloeng ka oli le sealant ea tlhaho ea polymer. Mokhoa ona oa ho khetholla o ka fumana litšobotsi tsa lisebelisoa tsa polymer, ho thibela mocheso oa tsona, ho tiisa le ho ikamahanya le maemo mecheng ea litaba tse fapaneng.
Mofuta oa rabara:Mofuta ona oa sealant o thehiloe ho rabara. Liraba tse sebelisoang hangata ke rabara ea polysulfide, rabara ea silicone, rabara ea polyurethane, rabara ea neoprene le rabara ea butyl.
Mofuta oa resin:Mofuta ona oa sealant o thehiloe holim'a resin. Li-resin tse sebelisoang ka tloaelo ke epoxy resin, unsaturated polyester resin, phenolic resin, polyacrylic resin, polyvinyl chloride resin, joalo-joalo.
E thehiloeng ka oli:Mofuta ona oa sealant o entsoe ka oli. Lioli tse sebelisoang ka tloaelo ke lioli tse fapaneng tsa meroho joalo ka oli ea linseed, oli ea castor le oli ea tung, le oli ea liphoofolo joalo ka oli ea tlhapi.
Classification ho latela kopo:e ka aroloa ka mofuta o phahameng oa mocheso, mofuta oa ho hanyetsa serame, mofuta oa khatello joalo-joalo.
Karohano ho latela thepa ea ho etsa lifilimi:E ka aroloa ka mofuta oa sekhomaretsi o omileng, mofuta o omeletseng o peelable, mofuta o sa omeletseng oa li-viscoelastic le mofuta o omileng oa viscoelastic.
Ho arola ka tšebeliso:E ka aroloa ka sealant ea kaho, sealant ea koloi, sealant se tiisang, sepakapaka sa ho paka, setiiso sa merafo le mefuta e meng.
Ho ea ka tshebetso ka mor'a ho haha:e ka aroloa ka mefuta e 'meli: curing sealant le semi-curing sealant. Har'a bona, ho phekola sealant ho ka aroloa ka thata le ho tenyetseha. Rigid sealant e tiile ka mor'a ho vulcanization kapa ho tiisa, 'me hangata e na le elasticity, ha e khone ho kobeha,' me hangata seams ha e khone ho sisinyeha; flexible sealants ke rekere le bonolo ka mor'a vulcanization. Sekoaelo se sa phekoleheng ke sekontiri se thata se tiileng se ntseng se boloka tackifier e sa omiseng ka mor'a ho hahoa 'me e tsoela pele ho fallela sebakeng se ka holimo.
Nako ea poso: Feb-18-2022