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High quality HPMC

High quality HPMC

original 2022-01-21 13:41:04

High quality hydroxypropyl methyl cellulose can be evenly and effectively dispersed in cement mortar and gypsum-based products, and wrapped all solid particles, and the formation of a wetting film, the base of the water in a considerable period of time gradually released, and inorganic cementitious materials hydration reaction, so as to ensure the bond strength and compressive strength of the material. Therefore, in the high temperature summer construction, in order to achieve the effect of water retention, it is necessary to add a sufficient amount of high-quality HPMC products in accordance with the formula, otherwise, there will be too fast drying and caused by insufficient hydration, strength reduction, cracking, hollow drums and peeling and other quality problems, but also increase the difficulty of workers construction. As the temperature decreases, the amount of HPMC added can be gradually reduced and the same water retention effect can be achieved.