Redispersible polymer powder (RDP) is a versatile product that plays a crucial role in the construction industry. It is a free-flowing powder obtained by spray drying a vinyl acetate-ethylene copolymer dispersion. RDP is versatile and can be used in a wide range of applications including mortars, tile adhesives, external thermal insulation composite systems (ETICS), self-leveling compounds, and many more. One of the main benefits of RDP is its ability to improve the overall performance of construction materials. When added to mortars or tile adhesives, RDP can enhance the workability, strength, and adhesion of the final product. This results in a more durable and long-lasting finish, making it an ideal choice for both residential and commercial construction projects. Another advantage of RDP is its redispersibility. This means that RDP can easily redisperse in water to form a stable emulsion, making it easy to handle and mix with other materials. This property also allows for better adhesion to various surfaces, ensuring a strong bond between the construction material and the substrate . RDP is also known for its water retention capabilities, which helps to prolong the workability of construction materials rdp powder redispersible polymer . This is especially important in hot and dry climates, where materials tend to dry out quickly. By retaining water, RDP allows for more time to work with the material, reducing the risk of cracking and improving the overall quality of the finish. In addition to its performance benefits, RDP is also environmentally friendly. It is non-toxic, non-hazardous, and biodegradable, making it a sustainable choice for construction projects. RDP also helps to reduce waste by improving the durability of construction materials, leading to longer-lasting structures that require less maintenance over time. Overall, RDP is a valuable product that offers a wide range of benefits for the construction industry. Its versatility, redispersibility, water retention capabilities, and environmental sustainability make it an essential component in the production of high-quality construction materials. Whether it's used in mortars, tile adhesives, self-leveling compounds, or other applications, RDP plays a crucial role in ensuring the strength, durability, and longevity of construction projects.
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Redispersible Polymer Powder (RDP Chemical)
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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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
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