Wholesale RDP Redispersible Polymer Powder

Features

RDP Redispersible Polymer Powder is a high-performance polymer additive that is odorless, tasteless and non-toxic. It appears as a white or slightly off-white free-flowing powder that can redisperse quickly in water to form a stable polymer emulsion. It has a variety of properties such as bonding enhancement, flexibilization, water resistance, crack resistance, wear resistance and workability improvement, and is widely used as construction materials, dry-mix mortars, tile adhesives, thermal insulation materials, cementitious waterproof coatings and decorative coating materials, etc.

Market Prospects

With the continuous development of the global economy and the rising demand for high-performance building materials and new chemical additives in various industries, the market demand for RDP Redispersible Polymer Powder will keep growing steadily. With the continuous advancement of scientific and technological research and development, our RDP Redispersible Polymer Powder production technology and product quality will be further optimized and upgraded. Through technological innovation and formula improvement, the performance of RDP Redispersible Polymer Powder will be more excellent, and its application scope in building materials and related fields will be further expanded. This will bring new market growth points and development opportunities to the RDP Redispersible Polymer Powder industry.

Hydroxypropyl Methyl Cellulose Manufacturing Process

As a polymer material factory, we select high-quality polymer monomers and functional additives, and conduct raw material purification to optimize polymerization conditions. Under a precisely controlled environment, the monomers undergo emulsion polymerization to form a stable polymer latex with the desired molecular structure. After polymerization, the latex is subjected to spray drying to remove water content, forming primary polymer powder with uniform particle size. The powder is then subjected to surface modification and anti-caking treatment to enhance its redispersibility and storage stability. The product is screened to the required particle size range to ensure consistent product uniformity. Strict testing is carried out on various performance indicators of RDP Redispersible Polymer Powder, including redispersibility, bonding strength, water resistance and fineness, to ensure full compliance with industry standards. Professional moisture-proof and anti-caking packaging materials are used to protect the product from moisture and agglomeration caused by external environmental factors, ensuring safe storage and transportation.

Use Precautions

The optimal addition amount of RDP Redispersible Polymer Powder varies in different applications. Please weigh it accurately according to the specific application scenario and formula ratio, and disperse it fully in water under the recommended stirring conditions to avoid agglomeration or incomplete redispersion that impairs the application effect.

The performance of RDP Redispersible Polymer Powder is affected to a certain extent by the pH value and ionic strength of the mortar system. Before use, confirm and adjust the working system to the appropriate range to ensure the stability and bonding performance of RDP.

High temperature may cause thermal degradation of RDP Redispersible Polymer Powder and reduce its film-forming property, while high humidity can easily lead to caking and loss of redispersibility. Avoid extreme temperature and humidity during storage, transportation and use, and keep it within the recommended environmental range.

In multi-component dry-mix mortar systems, the mixing order of RDP Redispersible Polymer Powder has a key impact on the final product performance. It is generally recommended to mix RDP evenly with other dry powder components first, then add water and stir, to prevent uneven dispersion and weakening of bonding and crack resistance.

Before using RDP Redispersible Polymer Powder, evaluate its compatibility with other additives in the system (such as cement, fly ash, water reducers, thickeners, etc.) to avoid reduced bonding strength, poor water resistance or structural defects caused by incompatibility.

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Characteristics

Excellent Redispersibility
Hydrophilic protective colloid is wrapped on the surface of RDP particles. This structure enables the powder to quickly disintegrate and redisperse in water, forming a stable and uniform polymer emulsion with consistent performance as the original latex.
Strong Bonding Adhesion
RDP forms a continuous and flexible polymer film after water dispersion and film-forming. This film can form firm physical and chemical bonds with inorganic cementitious materials and various substrates, significantly enhancing the bonding strength and interface adhesion of the system.
Excellent Crack Resistance
The flexible polymer film formed by RDP has good elongation and toughness. It can effectively relieve the internal stress generated by the shrinkage and deformation of cementitious materials during curing, inhibit the generation and expansion of microcracks, and improve the crack resistance of the hardened product.
Good Water Resistance
The dense polymer film formed by RDP can fill the capillary pores and microcracks of the cementitious matrix, forming an effective water-repellent barrier. It reduces the water absorption rate of the material and enhances the water resistance and impermeability of the final product.

Main Function

Construction Industry:
RDP is a key additive for dry-mix mortars, used to improve the bonding performance and mechanical properties of mortar. It can significantly enhance the adhesion, flexibility, crack resistance and water resistance of mortar. At the same time, it improves the workability of mortar, extends the open time and boosts construction efficiency.

Coating Industry:
RDP is widely used in water-based coatings as a film-forming agent, binder and toughening agent. It can improve the film-forming property, adhesion and durability of coatings. Enhance the flexibility and scrub resistance of the coating film, making the coating more smooth and uniform.

Pharmaceutical Industry:
In the pharmaceutical field, RDP can be used as a binder, film-forming agent and sustained-release material for tablets and granules. It can improve the hardness and stability of preparations. Optimize the drug release rate to ensure the uniform release of active ingredients, and enhance the bioavailability of drugs.

Food Industry:
RDP is used in the food industry as a binder, stabilizer and thickener, and is widely applied in baked goods, dairy products and convenience foods. It can improve the water retention and shape retention of food, making the texture more delicate and elastic. At the same time, it extends the shelf life of food and maintains its flavor.

Other Industries:
RDP is also widely used in textiles, papermaking, adhesives and other fields. It can be used as a binder, thickener and modifier to improve product quality and performance. Meet the specific needs of different fields and provide customers with customized solutions.

Performance	Index
Appearance	White powder, free-flowing
Solid content (wt%)	≥98.0
Ash content (wt%)	10±2%
Bulk density (g/L)	300-500
Protective colloid	Polyvinyl alcohol
Particle size	≤4% greater than 400um
pH value	6-8
Glass transition temperature Tg (DSC) °C	Not fixed
Minimum film-forming temperature (°C)	0～5℃

HOT SELLING CELLULOSE SERIES

Hydroxypropyl Methylcellulose (HPMC)

Hydroxyethyl Cellulose (HEC)

Methyl Hydroxyethyl Cellulose (MHEC)

Hydroxyethyl Methyl Cellulose (HEMC)

Hydroxypropyl Cellulose (HPC)

Hydroxypropyl Starch Ether (HPS)

Microcrystalline Cellulose (MCC)

Carboxymethyl Cellulose(CMC)

Redispersible Polymer Powder(RDP)

Polyanionic Cellulose (PAC)

Methyl Cellulose (MC)

Ethyl Cellulose (EC)

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