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In cement mortar and gypsum-based slurry, hydroxypropyl methylcellulose mainly plays the role of water retention and thickening, and can effectively improve the adhesion and sag resistance of the slurry. Factors such as air temperature, temperature and wind pressure speed will affect the volatili...Read more »
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1. Common problems in putty powder Fast drying: This is mainly due to the amount of lime calcium powder added (too large, the amount of lime calcium powder used in the putty formula can be appropriately reduced) is related to the water retention rate of the fiber, and it is also related to the dr...Read more »
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dry fast This is mainly due to the excessive addition of ash calcium powder (the amount of ash calcium powder used in the putty formula can be appropriately reduced) is related to the water retention rate of hydroxypropyl methylcellulose, and is also related to the dryness of the wall. Peeling an...Read more »
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Hydroxypropyl methylcellulose is a non-ionic cellulose ether processed from refined cotton through a series of chemical reactions. It is an odorless, non-toxic white powdery substance that dissolves in water and presents Clear or slightly cloudy colloidal solution. It has the characteristics of t...Read more »
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The Chinese name of HPMC is hydroxypropyl methylcellulose. It is non-ionic and is often used as a water-retaining agent in dry-mixed mortar. It is the most commonly used water-retaining material in mortar. A polysaccharide-based ether product produced by alkalization and etherification. It has no...Read more »
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1. Common problems in putty powder dry fast This is mainly related to the amount of ash calcium powder added (too large, the amount of ash calcium powder used in the putty formula can be appropriately reduced) and the water retention rate of hydroxypropyl methylcellulose (HPMC), and it is also re...Read more »
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Redispersible latex powder is a white solid powder obtained by spray-drying special latex. It is mainly used as an important additive for “dry-mixed mortar” and other dry-mixed mortars for external wall insulation engineering construction materials. Pay attention to the following thre...Read more »
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Hydroxypropyl methylcellulose is mainly used as a dispersant in the production of polyvinyl chloride, and is the main auxiliary agent for preparing PVC by suspension polymerization. In the construction process of the construction industry, it is mainly used in mechanized construction such as wall...Read more »
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Modified additives such as ready-mixed mortar additives, cellulose ethers, coagulation regulators, redispersible latex powder, air-entraining agents, early strength agents, water reducers, etc., which are added according to the needs of the project, greatly improve the performance of ready-mixed ...Read more »
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Application of hydroxypropyl methylcellulose (HPMC) in construction mortar plastering mortar: High water retention can make the cement fully hydrated, significantly increase the bond strength, and at the same time, it can appropriately increase the tensile strength and shear strength, greatly imp...Read more »
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(1) Determination of viscosity: The dried product is prepared into an aqueous solution with a weight concentration of 2°C, and is measured by an NDJ-1 rotational viscometer; (2) The appearance of the product is powdery, and the instant product is suffixed with “s”. How to use hydroxyp...Read more »
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The viscosity index of hydroxypropyl methylcellulose is a very important index. The viscosity does not represent the purity. The viscosity of cellulose HPMC depends on the production process. Different use environments should choose cellulose HPMC with different viscosities, not the higher the vi...Read more »