Name: Haima DC-39 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Haima DC-39 Defoamer

Highly effective silicone-based defoamer with rapid knock-down and long-lasting foam suppression.
Excellent compatibility with water-based systems, including acrylic, styrene-acrylic, and vinyl acetate emulsions.
Low dosage requirement—typically effective at 0.05–0.3% w/w in final formulation.
Thermally stable up to 120°C, maintaining performance during high-temperature processing.
Non-yellowing and non-silicone-residue-forming, ensuring clarity and stability in sensitive coatings and adhesives.

Typical Applications Of Haima DC-39 Defoamer

Chemical Type	Silicone-polyether copolymer dispersion
Product Form	Opaque white liquid
Appearance	Uniform milky dispersion, no phase separation
pH (1% aqueous solution)	6.0–7.5
Specific Gravity (25°C)	1.02–1.05 g/cm³
Viscosity (25°C, mPa·s)	80–150 (Brookfield RV, spindle #3, 20 rpm)
Storage Stability	≥12 months at 5–35°C in sealed container
Freeze-Thaw Stability	Stable after 3 cycles (−10°C for 16 h / 25°C for 8 h)

Get in Touch with ERICW

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E-mail: wangxingqiang@ericwchem.com
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15921782326
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China