umphumelelo wokubhedliseka lwe-PU moldi leziqhaza ezidingekayo
Umthengi wokulanda amandla okusebenza kakhulu lokuthiwa ngaphandle kwezihlalo ezidingekileyo ezininzi lapho amandla amahhula nokuphawuleka kwezinhlobo ezinomunye zezinto ezingcinane. Ukufakwa kwesibhedlela esisodwa kusetyenziswa ukuba bheke izilondolozi zokulanda ngendlela eyisiphiyo ngenxa yezinhlobo ezincinci nezimpawu eziningi lokuphawulwa kumodela wepolyurethane. Isibhedlela sikwenza umphathisi wamadala omncane, oluhlukileyo phakathi komodela nomodela wepolyurethane nokuphawulwa kwezinye izinto zokugcina nokubhekelwa kwezinto ezifanayo. Umlungisi wesicatshulwa sokuqala sokuthiwa ngokushesha kuhlanganisa isiphumo somncane emizuzwini engahlukene, iinkoni ezindala, kunye nemikhono ekudeni, ukuze libe lungenzi kakhulu lokulanda amandla okusebenza kakhulu lokuthiwa ngaphandle kwezihlalo ezidingekileyo ezininzi. Izilondolozi ze-sibhedlela zokuqala zingenhloko yokuthiwa ngaphandle kwezinhlobo ezinomsindo zokuthuthukiswa ngemvume, ukuhlaba olunqamazana kwezinhlobo zomvume ezivuliweyo, kunye nokubuyiselwa okuncane kumodela. Loluqulo lwakusetyenziswa ukuba lebele leyi-polyurethane elithile kunye nelithile, uphawula ubungako bokuthiwa ngokubonisa phakathi kwezinye izinsuku zokulanda ngaphandle kokuthiwa futhi.