HPMC For Construction

HPMC for construction is a non-ionic cellulose ether obtained by alkalization, etherification, neutralization and washing of cellulose.HPMC powder has good properties of thickening, dispersing, emulsifying and film-forming, and it is the first choice for the production of high-quality building material additives.

The use of hydroxypropyl methyl cellulose in construction

In construction, putty powder is used in very large quantities. About 90% of HPMC in construction is used as putty powder additives, and the rest is cement mortar and glue, used as thickening and water retention agents.
The amount of HPMC chemicals CAS9004-65-3 added to construction materials is very low, only 0.1%-1%, but it plays an irreplaceable role, which can significantly improve the water retention, fluidity and lubricity of construction materials. Building materials with added HPMC cellulose are easier to mix and use, improving the efficiency of construction workers, extending open time, improving bond strength, and forming a smooth and delicate surface coating.
- Construction HPMC powders are used in cementitious mortars and grouts to improve ease of use, adhesion and water retention.
- Hydroxypropyl methyl cellulose is also used in self-leveling compounds, tile adhesives and grouts to improve flow and workability.
-Construction HPMC is commonly used as a binder and thickener in coatings and paints.
- HPMC binders are also used in gypsum-based materials such as wallboard and ceiling tiles to improve workability and reduce water absorption.

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HPMC is an essential component in construction materials such as cement, plaster, and tile adhesives. It improves workability, water retention, and adhesion, leading to better performance and durability of the finished products.

One of the key characteristics of HPMC is its solubility in cold water. This makes it easy to use in various applications, as it can be readily dissolved and integrated into aqueous solutions.

As an effective thickening agent, HPMC can significantly enhance the viscosity of solutions, which is beneficial for applications in food products, cosmetics, and construction materials like cement and plaster.

HPMC is a hydrophilic polymer that is widely used in various industries due to its ability to attract and retain water, enhancing the hydration and moisture retention of products.

It is biodegradable and environmentally friendly, making it a sustainable choice for various applications, from pharmaceuticals to construction materials.

HPMC serves as a thickening agent, emulsifier, and film-former. It enhances the texture, stability, and performance of lotions, creams, shampoos, and other products.

HPMC is a non-ionic cellulose ether, which means it does not react with ions in the formulation. This makes it compatible with a wide range of chemicals and ingredients, ensuring stability and consistency.

As a derivative of cellulose, HPMC is derived from natural, renewable sources.

Construction HPMC Performance

1、Thickening: HPMC thickener can thicken the suspension, keep the solution uniform and consistent, anti-sagging.
2、Water retention: make putty powder dry slowly, and assist the reaction of calcium lime under the action of water.
3、Construction convenience: hydroxypropyl methyl cellulose has lubricating effect, which can make the putty powder have good compatibility.
4, Hydrolysis resistance, UV resistance: construction HPMC powder is suitable for use in high humidity and wet environment, which can also improve the durability of building materials.
5, Non-ionic polymer: Hydroxypropyl methyl cellulose does not react with other materials and can be used with a variety of additives.

Note: HPMC does not participate in any chemical reaction and only plays an auxiliary role.

How to judge the quality of HPMC for construction?

1, Whiteness: Although whiteness does not determine whether HPMC is good or not, but if whitening agent is added in the production process, it will affect its quality. However, most good products have good whiteness.
2, fineness: the fineness of HPMC powder is generally 80 mesh and 100 mesh, 120 mesh is less. The finer the fineness, the better.
3, transmittance: hydroxypropyl methyl cellulose (HPMC) powder into the water to form a transparent colloid, to see its transmittance.
4, the greater the specific gravity, the heavier the better. Heavier specific gravity is generally because of the high content of hydroxypropyl, so the water retention is better.

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