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Redispersible Powder
Overview
Redispersible Latex Powder (RDP) is a versatile and high-performance polymer material widely used as a key additive in construction and industrial applications. It is produced by spray-drying a water-based latex emulsion, transforming it into a free-flowing powder that can be redispersed in water to form an emulsion. This process retains the original properties of the polymer and enhances its stability, transportability, and ease of use.
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Specifications

Item

Specifications

Apperance White or yellowish powder
PH 5.0~9.0
Bulk Density, g/L 300~600
Solid Content, % ≥98.0
Burning residue, % ≤13
Mean particle size D50, μm ≤100
Drawing length, Mpa ≥6.0
Elongation at break, % ≥200
Packing & Storage
Packing In 25KG triple paper plastic composite bag or as per customer's requirement.
Storage Store under 30℃ and moisture-proof environment.
Shipping Not regulated as dangerous goods.
Applications of Redispersible Latex Powder
1. Construction Industry

Tile Adhesives and Grouts:
Improves adhesion strength, flexibility, and water resistance in tile bonding and grouting applications.
Cement-Based Plasters and Renders:
Enhances crack resistance, workability, and bonding to substrates.
Provides durability and weather resistance in external and internal plastering.
Self-Leveling Compounds:
Improves flowability, leveling, and strength in self-leveling floor compounds.
Thermal Insulation Systems:
Used in External Thermal Insulation Composite Systems (ETICS) to improve bonding of insulation panels and enhance the durability of base coats.
Waterproofing Mortars:
Enhances flexibility, adhesion, and water repellency in waterproof coatings for bathrooms, pools, and basements.
Repair Mortars:
Provides strength, adhesion, and flexibility for repairing cracks and spalls in concrete structures.

2. Industrial Applications

Adhesives:
Improves adhesion, flexibility, and water resistance in industrial adhesives for wood, paper, and textiles.
Coatings and Paints:
Enhances the binding properties and durability of decorative and protective coatings.
Gypsum-Based Products:
Used in gypsum plasters and joint fillers to improve bonding, flexibility, and surface finish.

Advantages of Using Redispersible Latex Powder

Ease of Transport and Storage:
As a powder, RDP is lightweight, non-perishable, and easy to store compared to liquid latex emulsions.
Long Shelf Life:
Stable in dry form, with an extended shelf life under proper storage conditions.
Customizable Performance:
Available in various formulations tailored for specific applications, such as improved adhesion, water resistance, or flexibility.
Cost-Effectiveness:
Reduces waste and transportation costs by eliminating the need to transport water in emulsions.
Eco-Friendly:
Many RDP formulations are designed to be low-VOC and environmentally sustainable, supporting green building practices.

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