1.Brief Introduction: MHEC is non-ionic cellulose ether widely used in construction materials.Could be dissolved in hot or cold water and form a transparent solution with the particular viscosity. 2.Application MHEC could be widely used in dry mortar fields:Tile adhesive,EIFS,Joint filler,self-leveling mortar,plaster,skim coat,paint and coatings etc.To improve the workability,water retention,adhesion strength,anti-slipping etc.