Name: Elementis Nuosperse 657 RD Dispersant
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Elementis Nuosperse 657 RD Dispersant

High-efficiency polymeric dispersant designed for robust stabilization of inorganic pigments and fillers in aqueous systems.
Delivers excellent rheology control and reduced viscosity without compromising gloss or film integrity.
Offers superior freeze-thaw stability and long-term storage performance in waterborne coatings.
Enables high pigment loading while maintaining optimal dispersion quality and color development.
Low-foaming formulation compatible with a broad range of co-additives and binder systems.

Typical Applications Of Elementis Nuosperse 657 RD Dispersant

Architectural interior and exterior waterborne acrylic and vinyl-acrylic paints.
Industrial maintenance coatings including primers and topcoats.
Waterborne wood finishes and clear coats requiring clarity and low haze.
Functional coatings such as fire-retardant and anti-corrosive formulations.
Decorative and protective coatings for metal, masonry, and plaster substrates.

Chemical Type	Anionic polymeric dispersant (modified polycarboxylate)
Product Form	Aqueous liquid concentrate
Appearance	Pale yellow to light amber, clear to slightly hazy liquid
pH (1% aqueous solution)	6.0 – 7.5
Active Content (wt%)	38 – 42%
Density (25°C, g/mL)	1.08 – 1.12
Viscosity (25°C, mPa·s)	200 – 600 (Brookfield LV, spindle #3, 60 rpm)
Primary Applications	Waterborne architectural, industrial, and decorative coatings

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E-mail: wangxingqiang@ericwchem.com
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