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HPMC manufacturer-Factors affecting the application performance of hpmc Viscosity: When explaining the viscosity of a kind of hydroxypropyl methyl cellulose(hpmc), it must also indicate the environmental conditions such as the test method, solution concentration, rotor, rotation speed, test temperature, etc., just say hydroxypropyl methyl cellulose The viscosity of is meaningless. The main factors affecting viscosity […]

construction hpmc-HPMC plays three roles in putty powder HPMC plays three roles in putty powder: thickening, water retention and construction. Thickening: The cellulose thickens the putty powder and helps to suspend it and keep it in a uniform solution. Water retention: It makes the putty powder dry slower and assists the reaction of calcium ash under […]

HPMC manufacturer-The main effect of HPMC on mortar construction Overview of Cellulose Ether-HPMC For modern building mortar, it is required to have suitable construction consistency and water retention, delay the loss of water in the mortar, prolong the operation time and open time (opening time), enhance wet viscosity and cohesion after setting and hardening, and […]

When HPMC is added to the plastering mortar, it increases water retention, allowing the cement to fully hydrate and improving bond strength as well as tensile and shear strength. As a result, the construction effect is greatly enhanced, and work efficiency improves.

The production process of HPMC is mainly a polysaccharide-based ether product produced by alkalization and etherification of wood pulp or cotton fibers (domestic). Since it has no charge, it reacts with no charged ions in the gelling material, and its performance is stable. In addition, it is less expensive than other types of cellulose ethers, which makes it ideal for dry mix mortars.

In the use of building materials, hydroxypropyl methyl cellulose HPMC is a commonly used building material additive, hydroxypropyl methyl cellulose is widely used in industry, and has different types, hydroxypropyl methyl cellulose can be divided into For cold water instant type and hot melt type.

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The water retention property of mortar refers to the ability of mortar to retain water. Mortar with poor water retention property is easy to bleed and segregate during transportation and storage, that is, water floats above and sand and cement sink below. It must be remixed before use.

The molecular weight of HPMC can be expressed by its solution viscosity in the solvent used.