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Sep . 29, 2025 19:25 Back to list

Redispersible Powder (RDP) - Hebei Jingzuan Chemical Technology Co., Ltd.14202



Redispersible Powder (RDP), also known as redispersible powder, is a revolutionary additive in the construction industry. This polymer-based powder significantly enhances the properties of cement mortars, wall putty, and other construction materials. Developed by Hebei Jingzuan Chemical Technology Co., Ltd., RDP is engineered to improve bonding strength, durability, and workability in various applications. Below, we explore its features, technical specifications, and real-world applications in detail.

Product Introduction

Redispersible Powder

Redispersible powder is a versatile additive designed to enhance the performance of construction materials. When mixed with water, it reconstitutes into a polymer dispersion, providing exceptional bonding properties. This makes it ideal for applications such as cement mortar, wall putty, EIFS (Exterior Insulation and Finish System) mortar, and tile bonding mortar. Its ability to improve the coating and spreading rate of mortars and putty, while also reducing cracking and increasing structural strength, has made it a preferred choice in modern construction projects.

Key Features and Advantages

Redispersible powder offers a range of benefits that make it indispensable in construction. Here are some of its standout features:

  • Enhanced Bonding Strength: RDP forms a durable film that adheres strongly to surfaces, ensuring long-term stability.
  • Improved Workability: It enhances the spreadability and coating efficiency of mortars and putty, reducing application time and effort.
  • Crack Resistance: The polymer matrix in RDP minimizes cracking, ensuring a smoother finish and longer lifespan.
  • Increased Durability: By strengthening the structure of construction materials, RDP improves resistance to weathering and mechanical stress.

Technical Specifications

Parameter Specification
Chemical Name Redispersible Powder
Molecular Formula (C₂H₄)ₓ(C₄H₆O₂)ᵧ
Moisture Content (%) ≤5
Residue (Ash) (%) 12–25
Fineness (Mesh) 80–120
Minimum Film-Forming Temperature (℃) 0–5

Applications in Construction

RDP Packaging

RDP is widely used in various construction scenarios, including:

  • Cement Mortar: Enhances adhesion and reduces cracking in concrete structures.
  • Wall Putty: Improves the smoothness and durability of interior and exterior walls.
  • EIFS Mortar: Provides a lightweight, weather-resistant coating for buildings.
  • Tile Bonding Mortar: Ensures strong adhesion between tiles and surfaces, preventing detachment.
  • Tile Seam Filling: Offers flexibility and durability in joint sealing.

Quality Assurance: Testing Methods

Ensuring the quality of redispersible powder is critical for its performance. Two common methods to verify its quality are:

Method No. 1: Bonding Ability Check

Bonding Test

1. Prepare a small amount of RDP solution. 2. Pour it onto a clean tile and let it dry completely. 3. A hard-to-remove VAE (Vinyl Acetate-Ethylene) film should remain on the tile’s surface, indicating proper bonding.

Method No. 2: Film and Dispersibility Check

Film Test

1. Mix a small quantity of RDP solution and pour it into a glass dish. 2. Allow it to dry, forming a smooth, even film. 3. Tear the film from the bottom and stretch it. It should be elastic and tensile, confirming its dispersibility.

Watch the video to see these tests in action.

Free Samples and Quality Stability

Free Samples

Before placing a bulk order, customers can request free samples to evaluate the product. The buyer covers the air shipping cost, and the company provides samples from different batches to ensure quality consistency.

Company Background: Hebei Jingzuan Chemical Technology Co., Ltd.

Company Logo

Based in Hebei, China, Hebei Jingzuan Chemical Technology Co., Ltd. specializes in the production of high-performance construction materials. With a focus on innovation and quality, the company has established itself as a reliable supplier of redispersible powder and related products. Their commitment to research and development ensures that their offerings meet global industry standards.

Package and Shipping

Packaging

RDP is available in various packaging options to suit different customer needs. The company ensures secure and efficient shipping, with detailed instructions for handling and storage to maintain product integrity.

Conclusion

Redispersible powder (RDP) is a game-changer in the construction industry, offering unmatched performance and versatility. Its ability to enhance bonding, durability, and workability makes it an essential component in modern construction projects. For more information, visit Hebei Jingzuan Chemical Technology Co., Ltd. or explore their product catalog.

References

National Institute of Standards and Technology (NIST) provides authoritative guidelines on material testing and standards. For further details on construction material specifications, refer to NIST publications.

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