China factory chemical hydroxypropyl methyl cellulose manufacturer HPMC price

HPMC products specially used for ready-mixed mortar have better water retention than ordinary products in the ready-mixed mortar to ensure the full hydration of inorganic cementing materials and significantly prevent the reduction of bond strength caused by too fast drying and the cracking caused by drying shrinkage. HPMC also has a certain role of air entrainment. The HPMC products specially used for ready-mixed mortar, with an appropriate amount of air entrainment, uniform and small bubbles, can improve the strength and gloss of ready-mixed mortar. HPMC products specially used for premixed mortar have a certain retarding effect, which can extend the opening time of premixed mortar and reduce the difficulty of construction