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    • RDP Polymer Powder CAS 24937-78-8

    RDP Polymer Powder CAS 24937-78-8

    RDP Polymer Powder, also called VAE copolymer powder or redispersible polymer powder, CAS 24937-78-8, is a white free-flowing redispersible powder supplied for construction and mortar applications. Confirm the required grade and minimum film-forming temperature, then request a quotation with COA/TDS/SDS for bulk supply.

    • 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

    RDP Polymer Powder CAS 24937-78-8 is a white, free-flowing redispersible polymer powder, also known as VAE copolymer powder or redispersible emulsion powder, with EINECS 607-457-0.

    Synonyms: Redispersible polymer powder; VAE copolymer powder; Ethylene vinyl acetate powder; Redispersible emulsion powder; Redispersible latex powder.

    CAS: 24937-78-8.

    As a polymer powder, it is described by its grade, minimum film-forming temperature (MFFT) and solid content rather than a molecular formula.

    It appears as a white, free-flowing powder.

    It is made by spray-drying an aqueous vinyl acetate-ethylene dispersion.

    When mixed with water it redisperses, and after water evaporation the polymer particles coalesce into a continuous flexible film.

    A standard grade typically has solid content of at least 99%, ash content around 10% and bulk density about 400–600 g/L.

    It adds a flexible polymer film that improves adhesion to tiles, concrete, insulation boards and difficult substrates.

    It raises flexural strength, impact resistance, water resistance and stress accommodation during thermal expansion.

    It is used in tile adhesives and grouts, external insulation systems, self-leveling compounds and repair mortars.

    The listed product has an MFFT around 0 °C, suitable for low-temperature construction and flexible mortars.

    Store in a cool, dry, ventilated area in tightly sealed original bags away from sunlight and moisture.

    Because the powder is thermoplastic, avoid double-stacking pallets or heavy pressure that could cause caking.

    Confirm appearance, solid content, ash content, bulk density, pH, MFFT and grade as required.

    Use suitable dust and eye protection during handling, and wash skin contact with soap and water.

    Confirm packaging with the requested quantity and destination requirements.

    The page is an RFQ entry point and does not state stock, price, MOQ or fixed lead time.

    For an RFQ, state the intended application, required grade, MFFT, quantity, packaging, destination and document needs.

    FAQ - Technical & Supply Chain

    • Q:

      What is RDP Polymer Powder CAS 24937-78-8?

      A: It is a white, free-flowing redispersible polymer powder made by spray-drying an aqueous vinyl acetate-ethylene dispersion. When mixed with water it redisperses, and after water evaporation the polymer particles coalesce into a continuous flexible film in mortar systems.
    • Q:

      What is the difference between VAE copolymer powder and RDP?

      A: They describe the same type of vinyl acetate-ethylene redispersible polymer powder under CAS 24937-78-8. RDP is the general functional term, while VAE identifies the copolymer chemistry of the emulsion used to make the powder.
    • Q:

      Why is RDP powder used in tile adhesives and external insulation systems?

      A: It adds a flexible polymer film that improves adhesion to tiles, concrete, insulation boards, and difficult substrates. It also raises flexural strength, impact resistance, water resistance, and stress accommodation during thermal expansion and contraction.
    • Q:

      How does Tg or minimum film-forming temperature affect mortar performance?

      A: Lower MFFT helps film formation at lower application temperatures and improves flexibility, while higher Tg increases hardness and heat resistance. The listed product has an MFFT around 0 degrees C, making it suitable for low-temperature construction and flexible mortars.
    • Q:

      How should RDP Polymer Powder be stored to avoid caking?

      A: Store it in a cool, dry, ventilated area in tightly sealed original bags, away from sunlight and moisture. Because the powder is thermoplastic, do not double-stack pallets or apply heavy pressure that could cause caking.

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