Typical Applications of Redispersible Polymer Powders

Redispersible polymer powders (RDPs) have become an important part of modern building materials. Its unique properties make it an ideal ingredient for a wide range of applications. From improved processability of building materials to high adhesive properties, RDP has revolutionized the field of construction.

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Here are some typical applications of RDP:

1. Exterior Insulation and Finishing System (EIFS)

EIFS is a popular method of covering exterior walls with weather resistant insulation. One of the main components of EIFS is RDP. It contributes to the strength, adhesion and flexibility of EIFS, ensuring it can withstand varying weather conditions.

2. Tile Adhesive

Tile adhesives are widely used in interior and exterior tile applications. RDP is used to enhance the performance of these adhesives by increasing bond strength, flexibility and water resistance. This ensures that the tiles will stay in place even under heavy loads or changing weather conditions.

3. Self-leveling floor compound

Self-leveling floor compound is used to create a smooth, level surface on concrete floors. Adding RDP to these compounds improves the adhesion, processability and flow of the mixture. This ensures a flat, level and durable floor.

4. Mortar and plaster

Mortar and plaster are used to bond brick, stone and concrete blocks together and to create a smooth finish on walls. RDP is an important part of these blends as it improves their water resistance, adhesive properties and flexibility. This means mortars and plasters can withstand different weather conditions and remain strong over time.

5. Gypsum board joint compound

Drywall joint compound is used to fill gaps and joints between drywall. Adding RDP to these compounds improves processability, adhesion and durability. This ensures that the joint compound remains strong, crack resistant and easy to apply.

6. Waterproof membrane

Waterproofing membranes are used to prevent water from penetrating buildings. RDP has been added to these membranes to enhance their flexibility and adhesion, ensuring they can withstand varying weather conditions and remain strong over time.

7. Plastering

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Plastering is the process of applying a layer of plaster to walls and ceilings. RDP is used to improve the adhesion and workability of the stucco, ensuring that it will apply smoothly and evenly.

8. Textured coating

Textured paints are used to create decorative effects on exterior walls. RDP is used to increase the bond strength and durability of these coatings, ensuring they can withstand varying weather conditions and remain attractive over time.

RDP has become an indispensable part of modern building materials due to its unique properties. Its use has revolutionized the field of construction, making it possible to manufacture high-quality materials with enhanced performance characteristics. Whether it is EIFS, tile adhesives, self-leveling floor compounds, mortars and plasters, plasterboard joint compounds, waterproofing membranes, plasters or texture coatings, RDP has proven to be a versatile and reliable ingredient.

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Redispersible Polymer Powder

CAS:-78-8

 

Redispersible Polymer Powder is the most important binder in cement-based, gypsum-based dry powder materials. Redispersible Polymer Powder is a spray-dried powder of polymer emulsion. Redispersible Polymer Powder is re-emulsified with water and has the same properties as the original emulsion, that is a film can be formed after water evaporation. This film has high toughness, weather resistance and adhesion to a substrate. In addition, the latex powder with hydrophobic properties can improve the waterproof performance of the waterproof mortar.

Item Appearance White or light yellow powder&#;free-flowing Solid Content &#;98.0% Ash Content 20%±2 15%±2 12%±2 12%±2 10%±2 Bulk Density 500&#;600 g/l 500&#;600 g/l 500&#;600 g/l 500&#;600 g/l 500&#;600 g/l Particle Size ~80 μm ~80 μm ~80 μm ~80 μm ~80 μm PH Value 5.0-8.0 5.0-8.0 5.0-8.0 5.0-8.0 5.0-8.0 Minimum film-forming

temperature

0&#; 0&#; 0&#; 0&#; 0&#; Tg 16&#; 3&#; &#; 8&#; 3&#; -10&#; Hydrophobicity / / / yes /

Performance of Redispersible Polymer Powder in dry mortar:

1. Improve the adhesion of dry mortar to various substrates and ensure the weather resistance of mortar bond strength under various conditions of use. For example, to improve the bond strength between mortar and EPS board, EPS particles, concrete walls and brick walls in the thermal mortar;
2. Reduce the elastic modulus of the materials, improve the elasticity and flexibility of the materials. The material can withstand certain substrate deformation, external force impact, temperature difference deformation, and freeze-thaw deformation. If Redispersible Polymer Powder can significantly improve the dynamic anti-cracking of the putty and the heat aging resistance of the tile adhesive, the impact resistance of the EPS board insulation system;
3. Redispersible Polymer Powder can reduce the water absorption of the material, the special hydrophobic latex powder effect is more obvious. Reduce water and damage caused by water to the molded mortar;
4. Some types of Redispersible Polymer Powder can improve the sag resistance and fluidity of the mortar, in order to improve the construction performance of the mortar.

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