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

DOW Xiameter OFX-8040A Fluid

DOW Xiameter OFX-8040A Fluid is a low-viscosity, silicone-based defoamer designed for demanding industrial applications. Part of Dow’s Xiameter portfolio, this high-performance fluid offers rapid foam breakage, excellent thermal/chemical stability, and broad compatibility with aqueous systems. Ideal for coatings, adhesives, and cleaning formulations where persistent foam control is critical.
  • dow xiameter ofx 8040a fluid_59c15866
  • dow xiameter ofx 8040a fluid_59c15866

Features Of DOW Xiameter OFX-8040A Fluid

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

  2. Excellent compatibility with water-based systems, including latex emulsions and aqueous coatings.

  3. Low volatility and thermally stable up to 200 °C, supporting high-temperature processing conditions.

  4. Non-yellowing formulation suitable for clear-coat and aesthetic-critical applications.

  5. Easily dispersible with minimal agitation; no pre-dilution required for most industrial dosing systems.

Typical Applications Of DOW Xiameter OFX-8040A Fluid

  1. Architectural and industrial waterborne paints and coatings.

  2. Adhesives and sealants, particularly acrylic and styrene-butadiene emulsion systems.

  3. Textile and carpet printing pastes where foam control is critical during high-shear application.

  4. Water-based inks for flexographic and gravure printing processes.

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

Specifications Of DOW Xiameter OFX-8040A Fluid

Chemical TypeSilicone oil-in-water emulsion
Product FormLiquid, ready-to-use
AppearanceOpaque white to off-white liquid
pH (1% aqueous dilution)6.0 – 7.5
Specific Gravity (25 °C)0.98 – 1.02
Viscosity (Brookfield RV, 25 °C, spindle #3, 20 rpm)150 – 350 cP
Active Content30 – 35 wt%
Freeze-Thaw StabilityStable after 3 cycles (–10 °C to 25 °C)


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