Name: Momentive Coatosil 3501 Defoamer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Momentive Coatosil 3501 Defoamer

Highly effective silicone-based defoamer for rapid foam knockdown and sustained foam suppression.
Excellent compatibility with waterborne acrylic, polyurethane, and epoxy coating systems.
Low dosage efficiency — typically effective at 0.1–0.5% w/w in final formulations.
Minimal impact on gloss, haze, or substrate wetting in sensitive decorative and protective coatings.
Stable under high-shear mixing and prolonged storage conditions without phase separation.

Typical Applications Of Momentive Coatosil 3501 Defoamer

Architectural waterborne interior and exterior wall paints.
Industrial maintenance coatings for metal and concrete substrates.
Wood finishes including stains, varnishes, and clear topcoats.
Automotive refinish basecoats and clearcoats (non-OEM).
Printing inks and functional aqueous coatings requiring low surface disturbance.

Chemical Type	Silicone emulsion (polydimethylsiloxane-based)
Product Form	White to off-white stable aqueous emulsion
Appearance	Opaque liquid, homogeneous, no sediment
pH (1% aqueous solution)	6.0–7.5
Specific Gravity (25°C)	1.00–1.04 g/cm³
Viscosity (Brookfield LV, 25°C, Spindle #3, 12 rpm)	150–500 mPa·s
Non-Volatile Content	28–32 wt%
Primary Applications	Waterborne architectural, industrial, and wood coatings

Get in Touch with ERICW

Let competitive chemical materials go global.



Contact With Us:

E-mail: wangxingqiang@ericwchem.com


Have a Questions? Call Us:

15921782326


Add:

Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China