GMH40M Hydroxyethyl Methyl cellulose in constractions The Chemical Name of the hmec is Hydroxyethyl methyl cellulose,it is a kind of white powder,which has great water retention effect and Thickening effect This type of product has good quality,and it is used widely in many applications. item unit specification Appearance / Whitish to yellowish even particle orpowder Bulk Density Kg/m 3 250-550 Fineness % ≤8.0 Drying Loss Ratio % ≤6.0 Viscosity mPa•s 67500-90000 pH Value /…