Name: Evonik TEGO Foamex 840 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik TEGO Foamex 840 Defoamer

Highly effective silicone-free defoamer for rapid foam breakdown in water-based systems.
Excellent compatibility and low tendency to cause surface defects such as craters or haze.
Stable performance across a broad pH range (pH 4–12) and under moderate shear conditions.
Easy dispersion in aqueous formulations without pre-dilution or high-shear mixing.
Compliant with major industry regulatory frameworks including REACH and FDA 21 CFR 175.300 for indirect food contact applications.

Typical Applications Of Evonik TEGO Foamex 840 Defoamer

Architectural coatings, including interior and exterior paints and primers.
Industrial maintenance coatings and protective coatings for metal and concrete substrates.
Water-based adhesives and sealants used in construction and packaging.
Printing inks, especially flexographic and gravure inks for non-porous substrates.
Construction chemicals, including cementitious tile adhesives and self-leveling compounds.

Chemical Type	Polyether-modified polymer dispersion
Product Form	Opaque white liquid
Appearance	Homogeneous, slightly viscous liquid
Primary Applications	Water-based coatings, adhesives, inks, and construction chemicals
Key Features	Silicone-free, low-odor, easy-to-disperse, pH-stable
Benefits	Prevents foam-related defects, improves application efficiency, enhances final film quality
Storage Stability	≥12 months at 5–30 °C in original sealed container
Recommended Dosage Range	0.1–0.5 % w/w based on total formulation

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