Hydroxypropyl Methylcellulose (HPMC) yog ib qho khoom siv ntxiv uas siv tau ntau yam hauv cov qauv cement vim nws muaj peev xwm txhim kho kev ua tau zoo, kev ua haujlwm tau zoo, thiab kev ruaj khov ntawm cov ntaub ntawv cementitious. Ua ib qho polymer ntau yam, HPMC txhim kho cov yam ntxwv tseem ceeb xws li kev khaws dej, kev nplaum, thiab kev tiv thaiv sag, ua rau nws tseem ceeb hauv kev tsim kho niaj hnub.