Udaka oluzilinganisayo lungathembela esisindweni salo ukuze lwakhe isisekelo esiyisicaba, esibushelelezi nesiqinile phezu kwesisekelo sokufaka noma ukubopha ezinye izinto. Ngesikhathi esifanayo, lungenza ukwakhiwa okukhulu nokusebenza kahle. Ngakho-ke, ukugeleza okuphezulu kuyisici esibaluleke kakhulu sodaka oluzilinganisayo. Ngaphezu kwalokho, kumele lube nokugcinwa kwamanzi kanye namandla okubopha, kungabi nalutho lokuhlukaniswa kwamanzi, futhi lube nezici zokuvimbela ukushisa kanye nokwenyuka kwezinga lokushisa eliphansi.
Ngokuvamile, udaka oluzilinganisa ludinga ukugeleza okuhle. I-cellulose ether iyisengezo esiyinhloko sodaka oluxutshwe ngomumo. Nakuba inani elingeziwe liphansi kakhulu, lingathuthukisa kakhulu ukusebenza kodaka. Lingathuthukisa ukuhambisana, ukusebenza kahle kanye nokubopha kodaka, kanye nokugcinwa kwamanzi. Lidlala indima ebaluleke kakhulu emkhakheni wodaka oluxutshwe ngomumo.
I-cellulose ether inethonya elibalulekile ekugcinweni kwamanzi, ukuhambisana kanye nokusebenza kokwakhiwa kwe-self-leveling mortar. Ikakhulukazi njenge-self-leveling mortar, ukugeleza kungenye yezinkomba eziyinhloko zokuhlola ukusebenza kwe-self-leveling. Ngaphansi kwesisekelo sokuqinisekisa ukwakheka okuvamile kwe-mortar, ukugeleza kwe-mortar kungalungiswa ngokushintsha inani le-cellulose ether. Kodwa-ke, uma umthamo uphakeme kakhulu, ukugeleza kwe-mortar kuzoncishiswa, ngakho-ke umthamo we-cellulose ether kufanele ulawulwe ngaphakathi kobubanzi obufanele.
Ukugcinwa kwamanzi kwesimende kuyinkomba ebalulekile yokukala ukuzinza kwezingxenye zangaphakathi zesimende esisanda kuhlanganiswa. Ukuze kwenziwe ngokugcwele ukusabela kokumanzi kwezinto zejeli, inani elifanele le-cellulose ether lingagcina umswakama esimendeni isikhathi eside. Ngokuvamile, izinga lokugcina amanzi kwesimende liyanda ngokwanda kokuqukethwe kwe-cellulose ether. Umphumela wokugcina amanzi we-cellulose ether ungavimbela i-substrate ekumunceni amanzi amaningi ngokushesha, futhi uvimbele ukuhwamuka kwamanzi, ukuze kuqinisekiswe ukuthi indawo yesimende inikeza amanzi anele okumanzisa usimende. Ngaphezu kwalokho, i-viscosity ye-cellulose ether nayo inethonya elikhulu ekugcinweni kwamanzi kwesimende. Uma i-viscosity iphakeme, kulapho ukugcinwa kwamanzi kuba ngcono khona. Ngokuvamile, i-cellulose ether ene-viscosity engu-400mpa.s isetshenziswa kakhulu kusimende esizilinganisayo, okungathuthukisa ukusebenza kwesimende futhi kwandise ukuqina kwesimende.
Isikhathi sokuthunyelwe: Mashi-20-2023