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    HomeProductsSpecialty ChemicalsConstruction & Coating ChemicalsRDP Polymer Powder CAS 24937-78-8
    • RDP Polymer Powder CAS 24937-78-8

    RDP Polymer Powder CAS 24937-78-8

    RDP Polymer Powder (CAS 24937-78-8) is a free-flowing, water-soluble white powder produced through the spray drying of an aqueous vinyl acetate-ethylene dispersion. Functioning primarily as an organic polymeric binder, this redispersible emulsion powder works by coalescing into a continuous, flexible polymer film upon water evaporation within cementitious systems. Frequently identified as VAE copolymer powder or ethylene vinyl acetate powder within the manufacturing sector, it acts as a critical structural modifier. This material is intended strictly for dry mortar formulations, where the redispersible latex powder enhances substrate adhesion, flexural strength, and overall matrix cohesion in the cured state. To support continuous manufacturing operations, we offer reliable bulk supply alongside mandatory MSDS, TDS, COA documentation for strict compliance and safety verification. Industrial facilities can leverage our competitive factory pricing and request customized specifications to align precisely with targeted structural or processing requirements.

    • CAS: 24937-78-8
    • Synonyms: Redispersible polymer powder, VAE copolymer powder, Ethylene vinyl acetate powder, Redispersible emulsion powder, Redispersible latex powder
    • Einecs: 607-457-0
    • Grade: Industrial / Construction Grade
    • Package: 25kg multi-layer paper bags with PE liner
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    Product Description

    1 Physicochemical Properties
    2 Industrial Applications
    3 Quality Assurance & Laboratory Control
    4 Storage & Safety Guidelines

    Physicochemical Properties

    PropertySpecification / Value
    AppearanceWhite, free-flowing powder
    Solid Content99% min
    Ash Content (1000°C)10% ± 2%
    Bulk Density400 – 600 g/l
    Particle Size80 microns (average)
    pH Value6.0 – 8.0 (50% water dispersion)
    Min. Film-Forming Temp0°C

    Industrial Applications

    1. Tile Adhesives & Grouts: Enhances water retention and provides the high bond strength necessary for large-format tiles and non-porous substrates.
    2. External Thermal Insulation Systems (ETICS/EIFS): Increases impact resistance and provides the flexibility required to withstand thermal expansion and contraction.
    3. Self-Leveling Compounds: Improves flowability and wear resistance while reducing the formation of surface cracks.
    4. Repair Mortars: Ensures superior adhesion to old concrete surfaces and improves the tensile strength of the patch material.
    5. Industrial R&D: Utilized in polymer science for developing advanced cement-polymer composites and flexible coating additives.

    Quality Assurance & Laboratory Control

    Our production facility operates under strict ISO 9001:2015 and GMP-aligned management protocols. Every batch of RDP undergoes rigorous testing to ensure consistency:

    • Film-Forming Analysis: Verification of MFFT and film flexibility.
    • Particle Size Distribution: Measured via laser diffraction to ensure rapid redispersion.
    • Performance Testing: Benchmarking adhesion strength in standardized mortar formulations.
    • Documentation: Every shipment is accompanied by a batch-specific COA (Certificate of Analysis) and updated MSDS.

    Storage & Safety Guidelines

    • Storage: Store in a cool, dry, and ventilated warehouse. Keep away from moisture and direct sunlight. Due to the thermoplastic nature of the polymer, pallets should not be double-stacked to prevent “caking” under pressure.
    • Shelf Life: 12 months from the date of manufacture if stored in original sealed packaging.
    • Personal Protective Equipment (PPE): * Respiratory: Use a standard N95 or P2 dust mask to avoid inhalation of fine particulates.
      • Eyes: Safety goggles are recommended during bulk handling or mixing.
      • Skin: Wear standard industrial gloves and protective workwear to minimize prolonged skin contact.

    FAQ - Technical & Supply Chain

    • Q:

      Are VAE copolymer powder and RDP polymer powder the same substance under CAS 24937-78-8?

      A: Yes, these terms refer to the identical polymeric binder designated by CAS 24937-78-8. They are used interchangeably in industrial manufacturing to describe the vinyl acetate-ethylene based redispersible powder used in dry-mix systems.
    • Q:

      Is this product intended for direct application in dry mortar formulations?

      A: Yes, it is typically applied as a core co-binder in dry mortar formulations. It is intended for industrial manufacturing use to enhance the bond strength and flexibility of construction materials such as tile adhesives and repair mortars.
    • Q:

      Can this RDP powder be used in water-resistant applications like swimming pool mortars?

      A: Yes. Due to the inherent water resistance of the vinyl acetate-ethylene copolymer, our powder provides excellent hydrophobic properties. It maintains high bond strength even under saturated conditions, making it ideal for bathroom waterproofing and outdoor tile grouts.
    Documents

    Documents and Product Support

    For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.

    • COA for batch-based quality reference
    • TDS for key physical and chemical information
    • SDS / MSDS for handling, storage, and safety reference
    • Packing information for sample, trial, and bulk orders
    • Technical communication based on application and specification requirements
    Quotation

    Information to Confirm Before Quotation

    Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.

    • Product name and CAS number
    • Application or intended end use
    • Required purity, grade, or specification
    • Sample quantity, trial order, or bulk demand
    • Preferred packing form or net weight
    • Destination country or port
    • Required documents or compliance expectations
    Storage & Handling

    Packaging, Storage, and Handling Notes

    Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.

    Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.

    Supply Support

    Sample, Bulk Order and Repeat Supply Support

    Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.

    For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.

    Contact Form

    Use our contact form to send us your questions, suggestions or comments. We will respond as soon as possible.

    Product Categories

    Tags:

    Construction Additive Mortar Additive Polymer Binder Redispersible Polymer Powder

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