Liphaephe tsa polyurethane li sebelisoa haholo lipalangoang tsa mokelikeli oa indasteri, tlhahiso ea mechine, le kaho ka lebaka la ho hanyetsa ha tsona hantle, lik'hemik'hale tsa lik'hemik'hale, le ho fetoha ha maemo. Bafani le bareki ba tlameha ho ela hloko lintlha tse latelang tsa bohlokoa:
Ntlha ea pele, liphaephe tsa polyurethane li na le mocheso o fokolang. Ho ba boemong ba nako e telele{{1}lithempereichara tse phahameng haholo kapa tse tlase ho ka etsa hore thepa e thatafale kapa e senyehe. Mocheso o sebelisoang ka kakaretso o khothalletsoang ke -40℃ho 80℃; ho feta moeli ona ho ka ama thepa ea 'mele ea phala. Ka hona, nakong ea lipalangoang le polokelo, khanya ea letsatsi e tobileng le ho ba haufi le mehloli ea mocheso e lokela ho qojoa, 'me mocheso o tsitsitseng oa tikoloho o lokela ho netefatsoa.
Ea bobeli, liphaephe tsa polyurethane li khona ho mamella oli, metsoako e hlapollang le li-oxidants tse matla. Ho kopana le lintho tsena ho ka baka katoloso, ho phatloha, kapa ho senyeha ha ts'ebetso. Ha u khetha phala, khanyetso ea lik'hemik'hale ea thepa e lokela ho tiisoa ho latela boemo bo itseng ba kopo, 'me ho kopana ka ho toba le mecha ea litaba e sa lumellaneng e lokela ho qojoa. Bakeng sa ho tsamaisa metsi a senyang haholo, ho khothalletsoa ho khetha liphaephe tsa polyurethane tse hloekisitsoeng ka ho khetheha kapa ho buisana le mofani oa thepa bakeng sa litlhahiso tse ling.
Ho feta moo, ho kenya le ho sebelisa liphaephe tsa polyurethane ho lokela ho qoba ho kobeha ho feteletseng kapa ho hatella ho thibela tšenyo ea lebota le ka hare kapa ho hlōleha ha moralo. Ha e sebelisoa{1} libakeng tse nang le khatello e phahameng, etsa bonnete ba hore tekanyo ea khatello ea phaephe e finyella litlhoko tsa tsamaiso le ho hlahloba khafetsa matšoao a ho khathala kapa ho tsofala.
Litšebelisanong tsa khoebo tsa machaba, moreki o tlameha ho tsebisa mofani oa thepa ka mokhoa o hlakileng ka boemo bo itseng ba kopo, ho kenyeletsoa mofuta oa mokelikeli, maemo a mocheso, le maemo a khatello, ho netefatsa phano ea lihlahisoa tse loketseng. Ka nako e ts'oanang, mehato e thibelang ho ts'oha e lokela ho nkoa nakong ea ho paka le ho palangoa ho thibela mengoo kapa tšenyo e bakoang ke ho thulana ha lipalangoang{1}}e leng nako e telele.
Qetellong, melemo ea ts'ebetso ea liphaephe tsa polyurethane e hloka tšebeliso e nepahetseng le tlhokomelo ho netefatsa katleho ea tsona. Ka bobeli barekisi le bareki ba lokela ho utloisisa litšobotsi tsa bona ka botlalo ho netefatsa hore sehlahisoa se lula se le maemong a nepahetseng nakong eohle ea lipalangoang, polokelo le ts'ebeliso, ka hona ho matlafatsa ts'epahalo le khotsofalo ea tšebelisano ea khoebo.
