Redispersible Polymer Powder (RDP Chemical)

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RDP powder, i.e Redispersible Polymer Powder, is a water soluble polymer made from ethylene-vinyl acetate (EVA) polymer through spray drying, it's designed for the construction industry to enhance the properties of dry mortar blends.

RDP powder is always combined with cellulose ethers and other additives to improve the properties and performance for the cement based or gypsum based mortar, such as better water-retention,open time,better work-ability, increasing adhesion to a variety of substrate and higher flexural strength and flexibility etc..

Its technical ability to increase the cohesiveness, flexibility, bond strength and most importantly the water proofing property, form a film with high tensile strength and bonding strength on different substrates. 

Specifications of 

RDP Chemical

 

Item

Type Specification of RDP Chemical Powder

RDP

KD N

RDP

KD N

RDP

KD N

RDP

KD H

RDP

KD N

RDP

KD L

Appearance

White flowing powder

Polymer Type

Vinyl Acetate-Ethylene copolymer

Protective Colloid

Polyvinyl Alcohol

Solids content (%)

98 min

Bulk density

400&#;550 g/l

Particle Size

80μm

PH

5.0-8.0

Viscosity

0.5-2.0

Ash content (%)

12±2

MFFT (&#;)

4

1

0

0

4

4

* Viscosity: 50% water Solution at 25 &#; (PaS)

 

Applications of 

RDP Chemical Powder

Applications

RDP

KD N

RDP

KD N

RDP

KD N

RDP

KD H

RDP

KD N

RDP

KD L

Wall Putty/Skim Coat

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Tile Adhesives

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The company is the world’s best VAE Re-Dispersible Polymer Powder For Tile Adhesive supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

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Cement-Based Plasters/Render

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Tile Grouts/Joint Filler

 

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Repair Mortar/Crack Filler

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External insulation and finish systems (EIFS)

 

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Self-leveling Compounds

 

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Masonry Mortar

 

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Waterproofing Mortar

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Properties of RDP Chemical Powder

&#; Increase adhesive/cohesive strength

&#; Higher flexural strength

&#; Excellent rheology

&#; Improved workability

&#; Great durability and abrasion resistance

&#; Improved water retention capability and open time

&#; Water resistance and low water uptake

 

As a leading RDP Powder manufacturer and supplier, we would like to share further information you need on RDP powder. If you have any questions on Redispersible Polymer Powder chemical powder or wanna get free quotation of Redispersible Polymer Powder, please feel free contact us at any time.

Redispersible powders have become an integral component in the construction industry, especially when it comes to enhancing the properties of materials like tile adhesives, mortars, and other cementitious systems. These powders, when mixed with water, redisperse into their original polymer emulsion form, offering a myriad of benefits to the final product. Let&#;s delve into the different types of redispersible powders and their unique characteristics.

Understanding Redispersible Powders

At its core, a redispersible powder is a polymer emulsion that has undergone spray drying. This process transforms the liquid emulsion into a free-flowing powder form. When this powder is mixed with water, it returns to its original emulsion state, allowing it to impart its beneficial properties to the mixture.

Key Properties Enhanced by Redispersible Powders

One of the primary reasons for the inclusion of redispersible powders in construction materials is their ability to improve rheological properties. This means that they can modify the flow and spread of materials, making them easier to apply and ensuring a smoother finish.

Water resistance is another crucial attribute enhanced by these powders. By incorporating them into the mix, materials like tile adhesives become less susceptible to water damage, ensuring longevity and durability.

Furthermore, bond strength is significantly improved. This ensures that tiles, for instance, adhere more securely to their substrates, reducing the risk of detachment or failure.

The Common Varieties

The market currently offers several types of redispersible polymer powders. Among the most prevalent are:

1. Ethylene Vinyl Acetate Copolymer (EVA): This type is known for its excellent bond strength and flexibility. It&#;s commonly used in tile adhesives and external thermal insulation systems.
2. Ethylene/Vinyl Chloride/Vinyl Laurate Terpolymer: This variety is renowned for its water resistance and improved adhesion, especially in environments with high humidity.
3. Vinyl Acetate/Ethylene/Vinyl Ester of Versatic Acid Terpolymer: This terpolymer is prized for its impact resistance and ability to enhance the glass transition temperature of the material it&#;s added to.

Other Noteworthy Components

Apart from the primary types of redispersible powders, there are other components that play a role in their efficacy. Polyvinyl alcohol, for instance, is often used as a protective colloid during the spray drying process. This ensures that the powder remains free-flowing and doesn&#;t clump together.

In Conclusion

Redispersible powders have undeniably revolutionized the construction industry. Their ability to enhance properties like bond strength, water resistance, and rheological characteristics makes them indispensable in modern construction materials.

For those in the concrete admixture industry, sourcing high-quality raw materials is paramount. At Bisley International, we pride ourselves on supplying top-tier products to meet your needs. Whether you&#;re looking to enhance bond strength, water resistance, or any other property, browse our range of products to find the perfect solution for your requirements.

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