Njengombhobho weplastiki wobunjineli obuphezulu{{0}ukusebenza okuphezulu, umbhobho wepolyurethane usetyenziswa kakhulu kwimizi-mveliso nakwimimandla yehlabathi jikelele. Iimpawu zayo zobugcisa zenza ukuba ibe yimveliso ethandwayo yokuthumela ngaphandle. Umbhobho wePolyurethane ubonisa ukukhuphisana olomeleleyo kumashishini amaninzi ngenxa yezinto ezibalaseleyo zomzimba kunye nokuzinza kweekhemikhali, ngakumbi kwiimarike zaphesheya ezifana neYurophu, iMelika, uMbindi Mpuma, kunye ne-Asia-mpuma ye-Asia.
Ngokwembono yeempawu zemathiriyeli, umbhobho we-polyurethane unokungagugi kakhulu, amaxesha ama-3 ukuya ku-5 kunemibhobho yerabha eqhelekileyo, iyenza ilungele ukuthuthwa kwamanzi kwindawo{2} yokunxiba ephezulu. Kwangaxeshanye, le mathiriyeli inokuguquguquka okuhle, igcina ukuchasana kwempembelelo entle kumaqondo obushushu aphantsi kunye nokumelana nokuqhekeka. Olu phawu lwenza ukuba lube luncedo ngakumbi kwiindawo ezibandayo okanye kwimozulu embi kakhulu. Ngaphezu koko, umbhobho we-polyurethane une-coefficient ephantsi ye-friction, inciphisa ngokufanelekileyo ukuxhathisa ngexesha lokuthuthwa kwamanzi kunye nokuphucula ukuhamba kakuhle.
Ngokubhekiselele kwimichiza yokumelana nemichiza, umbhobho we-polyurethane unokuxhathisa okulungileyo kwi-acids ezininzi, i-alkalis, kunye ne-solvents, iyenza ifaneleke kumashishini afana neekhemikhali, i-petroleum kunye neyeza. Ukunganyangeki kwayo kwi-hydrolysis nako kubalaseleyo, igcina-ukusebenza okuzinzileyo kwexesha elide nakwimeko ezingqongileyo ezifumileyo. Ngeli xesha, imibhobho ye-polyurethane ilula kwaye kulula ukuyifaka, inciphisa kakhulu iindleko zothutho kunye nokwakhiwa, ukuhlangabezana neemfuno zeshishini langoku malunga nezisombululo ezisebenzayo kunye{3}}neendleko eziphantsi.
Kurhwebo lwangaphandle, imibhobho ye-polyurethane, enexabiso eliphezulu{0}}lokusebenza ngokufanelekileyo kunye nokusetyenziswa okubanzi, ibe yeyona nto ikhethwayo kulwakhiwo lweziseko ezingundoqo, ukwenziwa kwemizi-mveliso, kunye nokunkcenkceshela kwezolimo kumazwe amaninzi. Ngokunyuka kwemizi-mveliso yelizwe jikelele kunye neemfuno zokhuseleko lokusingqongileyo, imfuno yentengiso yemibhobho ye-polyurethane iyaqhubeka nokukhula, ngakumbi{2}}kwisiphelo sokwenziwa kwemveliso kunye necandelo lamandla ohlaza, apho izibonelelo zabo zetekhnoloji zibonakaliswa ngakumbi. Kumashishini orhwebo angaphandle, ukuqonda ngokucokisekileyo iimpawu zobugcisa zemibhobho ye-polyurethane, kudityaniswe neemfuno ezithile zeemarike ekujoliswe kuzo, kunceda ukwandisa ukukhuphisana kwemveliso kunye nokwandisa kwiimarike ezibanzi zamazwe ngamazwe.
