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

Arkema Coatex COAPUR 817W Thickener

Arkema Coatex COAPUR 817W is a waterborne, associative polyurethane (HEUR) thickener designed for high-shear rheology control in architectural and industrial coatings. It delivers excellent gloss retention, spatter resistance, and sag resistance while enabling low-VOC formulations. Compatible with acrylics, styrene-acrylics, and vinyl acetate systems, it ensures stable viscosity without compromising flow or leveling.
  • arkema coatex coapur 817w thickener_e45d0a92
  • arkema coatex coapur 817w thickener_e45d0a92

Features Of Arkema Coatex COAPUR 817W 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 efficient high-shear thinning—ideal for roller and spray application.

  5. Provides outstanding long-term storage stability without gelation or viscosity drift.

Typical Applications Of Arkema Coatex COAPUR 817W Thickener

  1. Interior and exterior architectural wall paints.

  2. Waterborne industrial maintenance coatings.

  3. Wood and metal protective coatings.

  4. Low-VOC and zero-VOC decorative coatings.

  5. High-performance acrylic and vinyl-acrylic emulsion-based formulations.

Specifications Of Arkema Coatex COAPUR 817W Thickener

Chemical TypeNon-ionic associative polyurethane (HEUR)
Product FormAqueous dispersion
AppearanceOpaque white to off-white liquid
pH (1% aqueous solution)6.5 – 8.0
Solids Content (wt%)30.0 ± 1.0
Density (20°C, g/cm³)1.02 – 1.05
Viscosity (Brookfield RVT, spindles #3/4, 20 rpm, 25°C)1,500 – 4,500 mPa·s
Primary ApplicationsArchitectural and industrial waterborne coatings requiring balanced rheology


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