Polyurethanes ke li-polymer tse sebelisoang haholo tse entsoeng ka ho arabela li-polyols tse nang le diisocyanate boteng ba lik'hemik'hale tse kang li-catalyst le li-additives.Li sebelisetsoa ho etsa lihlahisoa tse fapaneng hoo e batlang e le liindasteri tsohle, joalo ka lisebelisoa tsa elektroniki, likoloi, lieta, kaho, liphutheloana, joalo-joalo, hore li bōptjoe ka libopeho tse sa tloaelehang le ho ntlafatsa lihlahisoa tsa bareki le tsa indasteri.

Polyurethane e ntse e sebelisoa e le foam e thata bakeng sa mabota le marulelo a marulelo, foam e tenyetsehang ka har'a thepa ea ka tlung, hape e le sekhomaretsi, lirafshoa le li-sealant tsa ka hare ho likoloi.Lintlha tsena kaofela li ka fana ka phaello ea121 BPS'marakeng oa polyurethane nakong ea kemolo ea lilemo tsa 2022-2032.

Lisebelisoa tsa mantlha tsa polyurethane li ka har'a li-elastomers, foams, le li-coatings tse fanang ka ts'ebetso e ntle ea ho hanyetsa abrasion.Mafome a thata a polyurethane a ntse a sebelisoa haholo joalo ka lisebelisoa tsa ho kenya letsoho ka lebaka la ho kopanngoa ha theko e tlase le thepa ea phetisetso e tlase ea mocheso.Bokhoni bo botle ba mocheso o tlase, phapang e pharalletseng ea sebopeho sa limolek'hule, theko e tlase, le khanyetso e phahameng ea abrasion kaofela li tšehetsa kholo ea mmaraka.

Leha ho le joalo, boemo bo bobe ba leholimo, matla a fokolang a mocheso, ho cha, joalo-joalo, li ka 'na tsa sitisa kholo ea tlhokahalo ea polyurethane lilemong tse tlang.

Phatlalatso: Tse ling tsa litaba/litšoantšo tse sengolong sena li tsoa Marang-rang, 'me mohloli o hlokometsoe.Li sebelisoa feela ho bontša lintlha kapa maikutlo a boletsoeng sehloohong sena.Li etselitsoe feela puisano le ho ithuta, 'me ha li molemong oa khoebo.Haeba ho na le tlolo ea molao, ka kopo ikopanye le rona ho hlakola hanghang.