Name: Evonik TEGO 825 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik TEGO 825 Defoamer

Highly effective silicone-based defoamer for rapid foam knock-down and long-term foam suppression.
Excellent compatibility with water-based systems, including acrylic, styrene-acrylic, and vinyl acetate emulsions.
Low dosage requirement—typically effective at 0.1–0.5 wt% in final formulations.
Stable under high-shear mixing and elevated temperatures up to 90 °C.
Non-yellowing and does not impair gloss or film integrity in coatings and adhesives.

Typical Applications Of Evonik TEGO 825 Defoamer

Architectural and industrial waterborne coatings (e.g., interior/exterior paints).
Water-based adhesives and sealants, including PVA and EVA formulations.
Construction chemicals such as cementitious tile adhesives and self-leveling compounds.
Textile printing pastes and pigment dispersions.
Industrial cleaning agents and metalworking fluid concentrates.

Chemical Type	Silicone oil-in-water emulsion
Product Form	White to off-white liquid
Appearance	Opaque, slightly viscous emulsion
pH (1% aqueous solution)	6.0–7.5
Specific Gravity (20 °C)	≈1.02–1.05 g/cm³
Viscosity (25 °C, Brookfield RV, spindle #3, 20 rpm)	500–1,500 mPa·s
Storage Stability	≥6 months at 5–30 °C; avoid freezing
Primary Applications	Waterborne coatings, adhesives, construction chemicals, textile auxiliaries

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