Njengepayipi-lepulasitiki lobunjiniyela elisebenza kahle, ipayipi le-polyurethane lisetshenziswa kakhulu emikhakheni yezimboni neyomphakathi emhlabeni jikelele. Izici zayo zobuchwepheshe ziyenza ibe umkhiqizo odumile wokuthekelisa. Ipayipi le-polyurethane libonisa ukuncintisana okuqinile ezimbonini eziningi ngenxa yezakhiwo zayo ezinhle kakhulu zomzimba kanye nokuzinza kwamakhemikhali, ikakhulukazi ezimakethe zaphesheya ezifana neYurophu, iMelika, iMpumalanga Ephakathi, naseNingizimu-mpumalanga ye-Asia.
Ngokombono wezinto ezibonakalayo, ipayipi le-polyurethane linokumelana nokuguga okuphakeme kakhulu, izikhathi ezi-3 kuya kwezi-5 kunamapayipi erabha avamile, okulenza lifanelekele ukuthuthwa kwamanzi{2}ezindaweni zokugqokwa okuphezulu. Ngesikhathi esifanayo, lesi sici sinokuguquguquka okuhle, sigcina ukumelana nomthelela omuhle kakhulu emazingeni okushisa aphansi futhi imelana nokuqhekeka. Lesi sici sikwenza kube nenzuzo kakhulu ezindaweni ezibandayo noma izimo zezulu ezibucayi. Ngaphezu kwalokho, ipayipi le-polyurethane line-coefficient ephansi yokungqubuzana, inciphisa ngempumelelo ukumelana ngesikhathi sokuthutha uketshezi futhi ithuthukise ukusebenza kahle kwezokuthutha.
Mayelana nokumelana namakhemikhali, ipayipi le-polyurethane linokumelana okuhle kuma-acids amaningi, ama-alkali, nezinyibilikisi, okulenza lilungele izimboni ezifana namakhemikhali, i-petroleum, nemithi. Ukumelana kwayo ne-hydrolysis nakho kuvelele, kugcina{1}}ukusebenza okuzinzile kwesikhathi eside ngisho nasezindaweni ezinomswakama. Khonamanjalo, amapayipi e-polyurethane anesisindo esincane futhi kulula ukuwafaka, ehlisa kakhulu izindleko zokuhamba nezokwakha, ahlangabezana nezidingo zemboni yesimanje ukuze kube nezixazululo{3}}ezingabizi kakhulu.
Ezimakethe zohwebo lwangaphandle, amapayipi e-polyurethane, nezindleko zawo eziphezulu-ukusebenza nokusebenza okubanzi, asephenduke into ekhethwayo yokwakha ingqalasizinda, ukukhiqizwa kwezimboni, nokunisela ngenkasa kwezolimo emazweni amaningi. Ngokukhula kwezidingo zokuzenzakalela kwezimboni zomhlaba wonke kanye nokuvikelwa kwemvelo, isidingo semakethe samapayipi e-polyurethane siyaqhubeka nokukhula, ikakhulukazi{2}}emikhakheni ephezulu yokukhiqiza kanye namandla aluhlaza, lapho izinzuzo zawo zobuchwepheshe zigqanyiswa futhi. Emabhizinisini okuhweba angaphandle, ukuqonda okuphelele kwezimpawu zobuchwepheshe zamapayipi e-polyurethane, kuhlanganiswe nezidingo ezithile zezimakethe eziqondiwe, kusiza ukuthuthukisa ukuncintisana komkhiqizo futhi kwandiswe ezimakethe zamazwe ngamazwe ezibanzi.
