How Does MHEC Improve Water Retention in Mortar? As a non-ionic cellulose ether, MHEC (Methyl Hydroxyethyl Cellulose) plays a critical role as a “water-retention agent” in modern dry-mixed mortar, tile adhesives, and wall putties. If construction mortar loses its water too quickly, the cement cannot undergo proper hydration (the chemical reaction that hardens cement). This […]