Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Arkema Coapur 520 W Carboxylated Polymer Thickener

Arkema Coapur 520 W is a carboxylated acrylic polymer thickener from the Coapur series, delivering high-shear viscosity control, excellent water retention, and robust rheology in water-based coatings and construction mortars. It ensures stable formulation performance, easy dispersion, and compatibility with common surfactants and additives—ideal for eco-friendly, low-VOC applications requiring consistent flow and sag resistance.
  • arkema coapur 520 w carboxylated polymer thickener_694a3f51
  • arkema coapur 520 w carboxylated polymer thickener_694a3f51

Features Of Arkema Coapur 520 W Carboxylated Polymer Thickener

  1. High-efficiency rheology modifier delivering excellent viscosity build and shear-thinning behavior in waterborne systems.

  2. Carboxylated acrylic polymer offering outstanding compatibility with latexes, surfactants, and common additives in architectural and industrial coatings.

  3. Enables robust storage stability and freeze-thaw resistance without compromising application performance.

  4. Low-VOC formulation compliant with global environmental regulations including EU Ecolabel and U.S. EPA Safer Choice criteria.

  5. Provides superior sag resistance and leveling balance in high-solids, low-shear formulations.

Typical Applications Of Arkema Coapur 520 W Carboxylated Polymer Thickener

  1. Interior and exterior architectural paints (flat, satin, and semi-gloss emulsions).

  2. Water-based wood finishes and varnishes requiring non-drip control and brush/roller flow.

  3. Industrial maintenance coatings for metal and concrete substrates.

  4. Tile grouts and cementitious repair mortars where water retention and workability are critical.

  5. Adhesives and sealants requiring controlled rheology and open-time extension.

Specifications Of Arkema Coapur 520 W Carboxylated Polymer Thickener

Chemical TypeCarboxylated acrylic copolymer
Product FormAqueous dispersion
AppearanceOpaque white liquid
pH (10% aqueous solution)3.5 – 4.5
Solids Content (wt%)28.0 – 32.0
Density (25°C, g/cm³)1.02 – 1.06
Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C, mPa·s)1,500 – 4,500
Primary ApplicationsRheology modification in waterborne coatings, adhesives, and construction materials


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