Polyurethane ke eng?
Polyurethane ke polasetiki e khutsufalitsoeng e le PUR.Polasetiki ena ke ea li-polymers 'me e na le likarolo tse peli tse fapaneng: karolo e thata le karolo e bonolo.Hobane PU e na le likarolo tse thata le tse bonolo, thepa ke rabara.Ntle le likarolo tse peli, PUR e ka boela ea aroloa ka resin (coat) le foam.
Plastiki e teng ka bobeli liphetolelong tsa 1- le 2-component.Likarolo tse peli li na le karolo ea A, resin ea motheo, le karolo ea B, e thata.Ka li-resin tsa polyurethane u sebelisa sesebelisoa se thata bakeng sa sebaka se itseng sa kopo.Kamora ho eketsa mokelikeli ona oa mokelikeli ho karolo ea A, ts'ebetso ea lik'hemik'hale e etsahala.Ts'ebetso ena e tiisa ho thatafala ha resin.Ho itšetlehile ka mofuta oa hardener, sena se tla susumetsa lebelo le thepa ea thepa.Ka li-PU ho bohlokoa ho boloka litekanyo tse nepahetseng.Ho ipapisitse le mofuta oa karolo, thepa ea hau e tla lula e le thata kapa e rabara ea rabara kamora ho folisoa.Ka mofuta oa foam, thepa e atoloha ka molumo ho ea ka bongata ba eona.
Lisebelisoa tsa polyurethane
Li-resin tsa polyurethane li ka sebelisoa e le liphahlo, li-primers, li-adhesives, lacquers, lipente kapa li-resin tsa ho lahla.Joalo ka pente e bonaletsang le e hananang le UV ea polyurethane bakeng sa tšepe kapa lehong.E loketse ho qeta parquet kapa li-cast floor.Ho phaella moo, thepa e boetse e sebelisoa e le letlalo la maiketsetso 'me e sebelisoa ka har'a lieta tsa lieta.
Menyetla ea ts'ebeliso ea li-resin tsa polyurethane ha e na moeli 'me e hasana likarolong tse fapaneng.
PU Cast floor
Mabato a polyurethane a ntse a tsebahala 'marakeng oa lehae lilemong tsa morao tjena e le pheletso ea libaka tsa bolulo, kichine le likamore tsa ho robala.Ka lebaka la thepa ea eona ea ho ikemela, resin ena e etsa moalo o boreleli haholo le oa sejoale-joale.E fumaneha ka mebala e fapaneng ho lumellana le molumo oa kahare ea hau.Ka lebaka la thepa ea eona ea elastic, u ka e sebelisa hape ka ho futhumatsa ka tlas'a fatše 'me u fumane sephetho se tšoarellang haholo le se sa senyeheng.
PUR pente Sealine
E 'ngoe ea lisebelisoa tse atileng haholo tsa PU ke joalo ka varnish kapa ho roala.Ka lebaka la khanyetso e ntle haholo ea UV, pente ea 2K polyurethane e 'nile ea sebelisoa mesebetsing ea indasteri ka lilemo.Haholo-holo makaleng a lipalangoang, a maoatle le a kaho.Ho tšoarella le ho benya ho phahameng ho etsa hore Sealine PUR e be sephetho se setle sa ho penta seketsoana sa hau.