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

Wacker SD8260 Self-Dispersing Defoamer

Wacker SD8260 is a self-dispersing defoamer from Wacker’s SILFOAM® series, designed for water-based systems without pre-dilution. It delivers rapid foam suppression and long-term stability in coatings, adhesives, and construction chemicals. Its silicone-polyether hybrid structure ensures excellent compatibility, low odor, and minimal impact on final product properties.
  • wacker sd8260 self dispersing defoamer_3ebce491
  • wacker sd8260 self dispersing defoamer_3ebce491

Features Of Wacker SD8260 Self-Dispersing Defoamer

  1. Self-dispersing in water without need for high-shear mixing or pre-dilution.

  2. Excellent defoaming and long-term antifoam performance in aqueous systems.

  3. Low odor and non-staining, suitable for sensitive applications including architectural coatings.

  4. Compatible with anionic, nonionic, and zwitterionic surfactants commonly used in industrial formulations.

  5. Stable under freeze-thaw conditions and across a broad pH range (pH 4–12).

Typical Applications Of Wacker SD8260 Self-Dispersing Defoamer

  1. Architectural paints and interior/exterior wall coatings.

  2. Industrial maintenance coatings and protective coatings.

  3. Adhesives and sealants, particularly water-based acrylic and PVA formulations.

  4. Printing inks, especially flexographic and gravure inks.

  5. Construction chemicals including cementitious tile adhesives and self-leveling compounds.

Specifications Of Wacker SD8260 Self-Dispersing Defoamer

Chemical TypeOrganic silicone-polyether hybrid
Product FormLiquid emulsion
AppearanceWhite to off-white, slightly opalescent liquid
pH (1% aqueous solution)6.5 – 7.5
Active Content~25 wt%
Viscosity (25°C, mPa·s)150 – 400
Storage Stability≥12 months at 5–30°C in unopened original container
Freeze-Thaw StabilityStable after 3 cycles (−10°C/24 h → 25°C/24 h)


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