Nws yog ib puag ncig tus phooj ywgob lub ntsiab luspolymer modified cement waterproof khoom.Ib feem ntawm cov kua yog cov txheej txheem dej tsis muaj dej uas muaj cov khoom siv siab polymer thiab ntau yam khoom ntxiv, uas muajsiab adhesion, yooj, mildew kujthiabhnav tsis kam;Cov hmoov yog tsim los ntawm cov cement zoo, quartz xuab zeb thiab cov khoom siv tshwj xeeb, tom qab ntsib dej, cov tshuaj tiv thaiv tshwm sim, nkag mus rau hauv cov qauv, thiab tsim cov siv lead ua, uas tsis tsuas yog thaiv cov dej nkag mus rau txhua qhov kev qhia, tab sis kujntxiv dag zog rau cov qauv thiab ua kom nws lub neej ntev.