Nyob rau tam sim no, feem ntau ntawm admixtures tau los ntawm cov tuam txhab txawv teb chaws, thiab kev siv cov khoom siv kuj yog muab los ntawm cov neeg muab khoom.
Raws li qhov txiaj ntsig, tus nqi ntawm cov khoom siv cug nyom qhuav tseem nyob rau qhov siab thiab nws yog qhov nyuaj rau nrov cov masonry thiab plastering tshuaj khib nrog qhov loj ntim thiab thaj chaw dav.
Cov khoom lag luam ua lag luam siab tau tswj hwm los ntawm cov tuam txhab txawv teb chaws, cov hmoov av qhuav xyaw cov cuab yeej muaj cov txiaj ntsig qis thiab tus nqi tsis zoo;
Daim ntawv thov ntawm admixtures tsis muaj cov txheej txheem kev tiv thaiv thiab lub hom phiaj tshawb nrhiav thiab dig muag ua raws cov qauv txawv teb chaws.
Raws li cov ntsiab lus saum toj no, daim ntawv no tshuaj xyuas thiab piv rau qee qhov tseem ceeb ntawm cov khoom siv admixtures, thiab ntawm lub hauv paus no, kawm txog cov khoom ntawm cov hmoov av qhuav xyaw cov khoom siv admixtures.
Tshuaj khib hauv cellulose ether yaj hauv dej, vim tias qhov saum npoo ua lub luag haujlwm kom ntseeg tau cov khoom gelled zoo sib luag hauv qhov system, thiab cellulose ether yog hom kev tiv thaiv colloid," pob" cov khoom ua tau zoo, thiab ntawm nws cov nplaim sab nraud los ua ib txheej txheej ntawm zaj duab xis lubrication, cov txheej txheem slurry ntau ruaj khov, thiab tseem txhim kho cov slurry hauv cov txheej txheem kev sib xyaw ua kua thiab kev tsim kho ntawm cov khau khiab yuav cia li zoo
