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

Arkema Coatex COAPUR XS 83 Rheology Modifier

Arkema Coatex COAPUR XS 83 is a high-performance associative thickener from Arkema’s Coatex rheology modifier series, designed for waterborne coatings. It delivers excellent viscosity control, sag resistance, and gloss retention while ensuring good flow and leveling. Compatible with acrylic, vinyl, and styrene-acrylic systems, it enhances stability and shear-thinning behavior without compromising clarity or compatibility.
  • arkema coatex coapur xs 83 rheology modifier_1b110776
  • arkema coatex coapur xs 83 rheology modifier_1b110776

Features Of Arkema Coatex COAPUR XS 83 Rheology Modifier

  1. High-efficiency associative thickener based on hydrophobically modified ethoxylated urethane (HEUR) chemistry.

  2. Delivers excellent low-shear viscosity control and outstanding sag resistance in architectural and industrial coatings.

  3. Provides superior flow and leveling while maintaining robust spatter resistance and brush/roller drag performance.

  4. Compatible with a broad range of waterborne systems, including acrylics, vinyl acetate copolymers, and hybrid dispersions.

  5. Non-ionic character ensures good compatibility with surfactants and minimal sensitivity to electrolytes or pH shifts.

Typical Applications Of Arkema Coatex COAPUR XS 83 Rheology Modifier

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

  2. Waterborne wood finishes and varnishes.

  3. Industrial maintenance coatings for metal and concrete substrates.

  4. Water-based primers and undercoats.

  5. Decorative and functional coatings requiring balanced rheology for multiple application methods.

Specifications Of Arkema Coatex COAPUR XS 83 Rheology Modifier

Chemical TypeHydrophobically Modified Ethoxylated Urethane (HEUR)
Product FormLiquid, aqueous dispersion
AppearanceOpaque white to off-white liquid
pH (1% aqueous solution)6.0 – 8.0
Active Content30.0 ± 1.0 wt%
Density (20°C)~1.02 – 1.04 g/cm³
Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C)500 – 2,500 mPa·s
Primary ApplicationsWaterborne architectural and industrial coatings


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