Name: Evonik Surfynol DF-37 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik Surfynol DF-37 Defoamer

Highly effective silicone-free defoamer for water-based systems.
Excellent compatibility with a broad range of coatings, inks, and adhesives without causing haze or surface defects.
Rapid foam knock-down and sustained foam control under dynamic processing conditions.
Low dosage requirement — typically effective at 0.1–0.5% w/w in final formulation.
Stable in both acidic and alkaline aqueous environments (pH 4–10).

Typical Applications Of Evonik Surfynol DF-37 Defoamer

Chemical Type	Polyether-modified acetylenic alcohol
Product Form	Clear to slightly hazy liquid
Appearance	Colorless to pale yellow liquid
Primary Applications	Defoaming in water-based coatings, inks, adhesives, and construction chemicals
Key Features	Silicone-free, low-foaming, high compatibility, pH-stable
Benefits	Prevents pinholes, craters, and surface imperfections; improves gloss uniformity and substrate wetting
Storage Stability	Stable for ≥12 months at 5–30°C in sealed container
VOC Content	<5 g/L (non-regulated)

Get in Touch with ERICW

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Contact With Us:

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