Uma kuqhathaniswa ne-PE, i-PVC namanye amapayipi epulasitiki, ipayipi lensimbi le-PU linokumelana nokuguga nokumelana nokuguga kwezinto, kanye nezinzuzo zamandla aphezulu kanye nokumelana nokucindezela okuphezulu okulethwa ungqimba lokuqinisa ucingo lwensimbi, olungasetshenziswa kangcono ngaphansi kwengcindezi ephezulu kanye nezimo zokusebenza eziyinkimbinkimbi, futhi ixazulule ngokuphelele amaphuzu obuhlungu wamapayipi wendabuko angawodwa.
Uma sikhuluma ngobuchwepheshe, amapayipi ensimbi e-PU asebenzisa-inqubo yokukhishwa kwenhlanganisela yezendlalelo ezintathu, enesendlalelo sangaphakathi esenziwe nge-polyurethane, emaphakathi eshunyekwe ngocingo lwensimbi oluqinile oluqinile, kanye nongqimba olungaphandle olumbozwe ngongqimba oluvikelayo lwe-polyurethane olumelana nesimo sezulu. Amandla nokumelana nokucindezela kwamapayipi epulasitiki ajwayelekile; Ukumelana nesimo sezulu okungcono nokumelana nokugqoka; Ukuvumelana nezimo okungcono nokumelana nokukhathala. Amapayipi epulasitiki avamile ngokuvamile awodwa-ungqimba olunwetshiwe noma olulula olukabili{4}}izakhiwo ezinwebekayo, ezijwayele ukunwetshwa ngaphansi kwengcindezi ephezulu futhi adilike ngaphansi kwengcindezi engemihle.
Uma kuqhathaniswa namapayipi epulasitiki ento eyodwa, amapayipi ensimbi e-PU angakwazi ukumelana nemisebe ye-ultraviolet, ukungqubuzana komshini, nokugqwala kwamakhemikhali, futhi awanabo ubuthi futhi awanabo ubuthi. Izinto ezisetshenziswayo zinolaka-ezinesikhathi eside futhi zinganqanda ngempumelelo izingozi zokuphepha kuzinga lokushisa eliphezulu noma ezimweni zengcindezi ephezulu. Ifanele izinhlelo zezimboni, ukuthutha ngemishini, izinga eliphezulu lokudla{4}ukugcwalisa ingcindezi nezinye izimo, ihlanganisa izici zayo ezizinzile nezithembekile.
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