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

Dow DOWSIL 108F Defoamer

Dow DOWSIL 108F Defoamer is a silicone-based antifoam agent designed for high-efficiency foam control in water-based industrial coatings, adhesives, and cleaning formulations. It offers rapid knockdown, excellent compatibility, and low dosage requirements while maintaining substrate clarity and system stability across varied pH and temperature conditions.
  • dow dowsil 108f defoamer_f9f9033e
  • dow dowsil 108f defoamer_f9f9033e

Features Of Dow DOWSIL 108F Defoamer

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

  2. Excellent compatibility and stability in water-based systems, including high-shear and high-temperature processes.

  3. Low addition levels required—typically effective at 0.01–0.10% w/w—minimizing formulation impact.

  4. Non-staining and non-hazing, preserving clarity and aesthetics in final products.

  5. Resistant to microbial degradation, ensuring consistent performance in stored or recirculated systems.

Typical Applications Of Dow DOWSIL 108F Defoamer

  1. Architectural coatings and interior/exterior paints.

  2. Industrial maintenance coatings and coil coatings.

  3. Water-based adhesives and construction sealants.

  4. Textile and leather finishing formulations.

  5. Printing inks and pigment dispersions.

Specifications Of Dow DOWSIL 108F Defoamer

Chemical TypeSilicone emulsion (polydimethylsiloxane-based)
Product FormOpaque white liquid emulsion
AppearanceWhite to off-white, slightly viscous liquid
pH (1% aqueous dispersion)6.0–8.0
Specific Gravity (25°C)0.98–1.02 g/cm³
Viscosity (Brookfield, #2 spindle, 20 rpm, 25°C)500–1,500 cP
Primary ApplicationsWater-based coatings, adhesives, inks, and industrial cleaning systems
Key FeaturesRapid defoaming, low-foam persistence, broad compatibility


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