Product Description：

Redispersible Polymer Powder (RDP), with CAS number 24937-78-8, is a spray-dried re-dispersible emulsion powder VAE specifically designed for the construction industry. It aims to enhance the properties of dry mortar blends and is capable of redispersing in water. This powder reacts with the hydrate product of cement/gypsum and other materials, forming a composite membrane with robust mechanical strength.

Technical Specification:

	RDP-5013	RDP-5015
appearance	white powder, free-flowing	white powder, free-flowing
Solid content	≥99.0%	≥98.0%
Ash content (1000℃)	12%±2	11%±2
Bulk density	450−550 g/l	450−550 g/l
Average particle size	~80 μm	~80 μm
pH value	5.0-7.0	5.0-7.0
Glass transition temperature	10℃	3℃
Minimum film-forming temperature	3℃	3℃

Items/Types	RDP 5013	RDP 5015
Tile adhesive	●●●	●●
Thermal insulation	●	●●
Self- leveling	●●
Flexible exterior wall putty		●●●
Repair mortar	●	●●
Gypsum joint and crack fillers	●	●●
Tile grouts		●●

Product picture:

What Is Redispersible Polymer Powder Used For?

Redispersible Polymer Powder (RDP) is a versatile and widely used additive in various industries. Here are some common applications of Redispersible Polymer Powder:

Construction Industry:

Tile Adhesives: RDP is added to tile adhesives to improve adhesion strength, flexibility, and water resistance.

Cement Mortars: It enhances the performance of cement mortars by improving adhesion, flexibility, and workability.

Self-Leveling Compounds: RDP is used in self-leveling compounds to improve flow properties and provide better leveling.

Paper and Carpet Adhesives:

RDP is employed in adhesives for paper and carpets to enhance bonding strength and flexibility.

Exterior Insulation and Finish Systems (EIFS):

RDP is employed in EIFS to enhance the adhesion of base coats, improve flexibility, and contribute to crack resistance.

Gypsum Plaster:

In gypsum-based plaster formulations, RDP improves the workability, adhesion, and crack resistance of the plaster.

Masonry Mortars:

RDP is used in masonry mortars to improve bonding strength, water resistance, and durability.

Joint Fillers:

Joint fillers in construction benefit from the improved flexibility and adhesion properties provided by RDP.

Exterior and Interior Wall Putty:

RDP enhances the performance of wall putty by improving adhesion, crack resistance, and overall durability.

Masonry Mortars:

RDP is used in masonry mortars to improve bonding strength, water resistance, and durability.

Joint Fillers:

Joint fillers in construction benefit from the improved flexibility and adhesion properties provided by RDP.

Exterior and Interior Wall Putty:

RDP enhances the performance of wall putty by improving adhesion, crack resistance, and overall durability.

Exterior Paints:

In exterior paint formulations, RDP contributes to improved flexibility, adhesion, and resistance to cracking.

Textured Coatings:

RDP is used in textured coatings to enhance the texture, adhesion, and overall durability of the coating.

Sealants and Caulks:

RDP is added to sealants and caulks to improve flexibility, adhesion, and resistance to cracking.

Thermal Insulation Systems:

RDP is used in thermal insulation systems to improve the adhesion of insulation materials.

Waterproofing Membranes:

In waterproofing applications, RDP contributes to the flexibility and durability of the membranes.

Ceramic Tile Joint Fillers:

RDP is used in joint fillers for ceramic tiles to improve adhesion and resistance to cracking.

Repair Mortars:

Repair mortars benefit from RDP by improving adhesion, flexibility, and overall durability.

Crack Fillers:

RDP is added to crack fillers to improve adhesion and flexibility, reducing the likelihood of future cracks.

The versatility of Redispersible Polymer Powder makes it a valuable additive in construction and other industries where improved adhesion, flexibility, and durability are desired. The specific properties of RDP can be tailored to meet the requirements of various formulations.

What Is General properties of RDP?

Redispersible Polymer Powder (RDP) exhibits a set of general properties that make it a versatile and valuable additive in various applications. Here are the general properties of RDP:

Chemical Composition:

RDP is typically composed of polymer binders, fillers, plasticizers, and other additives. The polymer binders are often based on vinyl acetate-ethylene (VAE) or other copolymers.

Water Redispersibility:

One of the key properties of RDP is its ability to redisperse in water after drying. This property is crucial for the application of RDP in various formulations.

Film-Forming:

RDP exhibits film-forming properties, contributing to the formation of a cohesive and flexible film when the powder is dispersed in water.

Adhesion:

RDP enhances adhesion in various materials, such as mortars, adhesives, and coatings. Improved adhesion contributes to the durability and performance of the final product.

Flexibility:

The incorporation of RDP improves the flexibility of formulations, making them less prone to cracking and providing greater durability, especially in applications where flexibility is crucial.

Workability:

RDP improves the workability of construction materials such as mortars and plasters, making them easier to apply and shape.

Water Resistance:

RDP contributes to water resistance in formulations, making them more durable and less susceptible to damage from exposure to moisture.

Crack Resistance:

The use of RDP enhances the crack resistance of materials such as mortars and coatings, leading to improved performance and longevity.

Durability:

RDP improves the overall durability of formulations, making them more resistant to wear, weathering, and other environmental factors.

Compatibility:

RDP is compatible with a wide range of other materials, allowing it to be easily incorporated into formulations without causing compatibility issues.

Versatility:

RDP is versatile and finds applications in various industries, including construction, paints and coatings, adhesives, and more.

Thermal Stability:

RDP is generally stable over a range of temperatures, making it suitable for use in various climatic conditions.

Chemical Stability:

RDP exhibits chemical stability, ensuring that it remains effective in formulations over time.

Improved Rheological Properties:

The addition of RDP often improves the rheological properties of formulations, influencing factors such as viscosity and flow characteristics.

Non-Toxic:

RDP is typically non-toxic and safe for use in various applications.

These general properties make Redispersible Polymer Powder a valuable additive in construction, coatings, adhesives, and other industries where the enhancement of key properties is desired. The specific characteristics of RDP can vary based on the polymer composition and formulation requirements.

Application: