Tshawb nrhiav seb Hydroxyethyl Cellulose (HEC) txhim kho kev ua haujlwm ntawm cov cement mortar thiab khaws dej kom muaj zog dua thiab ruaj khov dua.
Hydroxyethyl Cellulose (HEC) yog ib qho cellulose ether uas tsis yog ionic siv dav los txhim kho rheology thiab dej khaws cia ntawm cov cement mortars, ua rau muaj kev ua haujlwm zoo dua thiab lub sijhawm ntev dua rau lub zog thiab kev ruaj khov. Los ntawm kev tsim lub network colloidal thiab adsorbing rau ntawm cov khoom me me, HEC ua rau viscosity nce, txo cov dej poob rau hauv cov substrates porous, thiab tiv thaiv kev qhuav ua ntej-cov yam tseem ceeb hauv cov qauv mortar ua tau zoo.