Hydroxypropyl Starch Ether

Hydroxypropyl Starch Ether

Used in cement-based and gypsum-based dry-mix mortar systems, it significantly improves the water retention, open time, and workability of the mortar, enhances anti-slip performance, and makes the application of tile adhesive, putty powder, and leveling compounds smoother.

Dry-mix Mortar Water Retention and Thickening Agent

Our product offers stable performance, high purity, and reliable consistency to ensure excellent results across multiple industrial applications.

Product Description

Hydroxypropyl Starch Ether for Cement and Gypsum Based Mortar Systems

Hydroxypropyl Starch Ether is a functional polymer additive widely used in cement-based and gypsum-based dry-mix mortar systems. It is designed to improve key application properties of construction materials, making mortar easier to apply while enhancing overall performance during use.

In dry-mix formulations such as tile adhesive, putty powder, and self-leveling compounds, Hydroxypropyl Starch Ether significantly improves water retention, extends open time, and enhances workability. It also helps improve anti-slip performance, ensuring smoother application and better construction efficiency in wall and floor systems.

Functional Benefits of Hydroxypropyl Starch Ether

Improved Water Retention

Hydroxypropyl Starch Ether helps maintain sufficient moisture in mortar systems, supporting proper hydration and improving construction quality.

Extended Open Time

It increases the workable time of mortar after application, allowing better adjustment and positioning during construction.

Enhanced Workability

The product improves the overall handling and application performance of dry-mix mortars, making spreading and finishing smoother.

Better Anti-Slip Performance

Hydroxypropyl Starch Ether improves the anti-slip behavior of tile adhesives, helping tiles maintain stable positioning during installation.

Optimized Surface Application

It contributes to smoother and more uniform application in putty powder and leveling compounds, improving final surface quality.

Technical Specifications

ItemDescription
AppearanceWhite or off-white powder
Moisture≤10%
pH (1% Solution)8–11
Recommended Dosage0.1–0.5% (based on total dry powder)
Packaging25kg paper bags or woven bags with PE liner

Application Areas of Hydroxypropyl Starch Ether

Hydroxypropyl Starch Ether is widely used in construction dry-mix mortar systems, including:

  • Tile adhesives
  • Wall putty powders
  • Self-leveling compounds
  • Gypsum-based mortars
  • Cement-based repair mortars
  • Decorative wall coatings

Its multifunctional performance makes it an essential additive in modern building material formulations.

Performance Advantages in Construction Materials

Hydroxypropyl Starch Ether improves both the processing and application characteristics of dry-mix mortar systems. By enhancing water retention, workability, and application stability, it supports higher construction efficiency and improved surface quality.

As a widely used construction additive, Hydroxypropyl Starch Ether plays an important role in optimizing performance in cement and gypsum based materials used in modern building projects.

Advantages

Product Advantages

High Purity & Stable Quality

Strict production control ensures consistent purity and reliable batch-to-batch performance.

Excellent Performance

Optimized formulation delivers strong efficiency and improved results across various industrial uses.

Customized Specifications

Viscosity, particle size, activity and packaging can be tailored to meet specific application needs.

professional experience

Globally Trusted Partner

Based on our deep understanding of the climate characteristics, industrial standards and application scenarios of different regions, we can provide precise and suitable solutions for various industries such as building materials, coatings, daily chemicals, etc. Our rich experience in cross-border cooperation makes us familiar with the requirements of various countries, logistics optimization, and localization service support, ensuring the efficient progress of your project. Whether you come from the hot and humid tropical region or the cold and dry high-latitude market, our products pass strict quality verification to help you win the trust of end-users.

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