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

Arkema Coatex COAPUR 520 W Thickener

Arkema Coatex COAPUR 520 W is a water-based associative polyurethane (HEUR) thickener designed for high-shear rheology control in architectural coatings. It delivers excellent gloss retention, spatter resistance, and sag resistance while enabling low-VOC formulations. Compatible with latex paints and emulsions, it ensures stable viscosity without compromising flow or leveling.
  • arkema coatex coapur 520 w thickener_da1e4288
  • arkema coatex coapur 520 w thickener_da1e4288

Features Of Arkema Coatex COAPUR 520 W Thickener

  1. Non-ionic associative polyurethane (HEUR) rheology modifier for waterborne systems.

  2. Delivers excellent flow and leveling while maintaining high sag resistance in architectural and industrial coatings.

  3. Compatible with a broad range of latex polymers, pigments, and common co-solvents.

  4. Enables low-shear viscosity build and strong pseudoplastic behavior for optimal application performance.

  5. Free of APEOs, formaldehyde, and alkylphenol ethoxylates — compliant with major environmental regulations.

Typical Applications Of Arkema Coatex COAPUR 520 W Thickener

  1. Interior and exterior architectural wall paints (flat to semi-gloss).

  2. Waterborne industrial maintenance coatings for metal and concrete substrates.

  3. Wood coatings including primers, sealers, and clear topcoats.

  4. Water-based decorative plasters and textured finishes.

  5. Low-VOC and eco-label certified coating formulations (e.g., Blue Angel, EMAS, EPD-ready).

Specifications Of Arkema Coatex COAPUR 520 W Thickener

Chemical TypeNon-ionic associative polyurethane (HEUR)
Product FormOpaque white liquid
AppearanceViscous, milky dispersion
pH (1% aqueous solution)6.5 – 8.0
Solids Content (wt%)30.0 ± 1.0
Density (20°C, g/cm³)1.02 – 1.06
Primary ApplicationsArchitectural & industrial waterborne coatings
Key FeaturesHigh efficiency thickening, excellent compatibility, low foaming


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