Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Wacker SD8260 Defoamer

Wacker SD8260 Defoamer is a silicone-based antifoam agent from Wacker’s SILFOAM® SD series, designed for robust foam suppression in demanding aqueous industrial processes like coatings, adhesives, and cleaning formulations. It offers excellent compatibility, rapid knock-down, and long-term stability without affecting product clarity or performance.
  • wacker sd8260 defoamer_c9e19270
  • wacker sd8260 defoamer_c9e19270

Features Of Wacker SD8260 Defoamer

  1. Highly effective silicone-based defoamer with rapid knock-down and long-lasting foam suppression.

  2. Excellent compatibility with water-based systems, including acrylic, vinyl acetate, and styrene-butadiene emulsions.

  3. Low dosage requirement—typically effective at 0.05–0.3 wt% in polymerization and coating formulations.

  4. Thermally stable up to 120 °C, supporting high-temperature process conditions without degradation.

  5. Non-yellowing and non-silicone-residue-forming, ensuring clarity and surface integrity in final products.

Typical Applications Of Wacker SD8260 Defoamer

  1. Emulsion polymerization (e.g., SBR, VAE, acrylic latex production).

  2. Architectural and industrial waterborne coatings and paints.

  3. Adhesives and sealants manufacturing, especially high-solids aqueous formulations.

  4. Textile printing pastes and pigment dispersion processes.

  5. Construction chemicals, including cementitious tile adhesives and grouts.

Specifications Of Wacker SD8260 Defoamer

Chemical TypeSilicone oil-in-water emulsion
Product FormOpaque white liquid
AppearanceHomogeneous, slightly viscous emulsion
pH (1% aqueous dilution)6.0–7.5
Density (20 °C)Approx. 1.01–1.03 g/cm³
Viscosity (25 °C, Brookfield LVT, Spindle #3, 6 rpm)500–1500 mPa·s
Active Content25 ± 2 wt%
Storage StabilityAt least 12 months in unopened original container at 5–30 °C


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