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

Coatex Coapur 830W Waterborne Polyurethane Thickener

Coatex Coapur 830W is a waterborne polyurethane rheology modifier from Coatex’s Coapur series, designed for low-shear viscosity enhancement in architectural and industrial water-based coatings. It delivers excellent flow/leveling, sag resistance, and storage stability without compromising gloss or film integrity. Compatible with acrylics, vinyl acetates, and hybrid dispersions, it ensures efficient thickening with minimal impact on pigment dispersion and freeze-thaw performance.
  • coatex coapur 830w waterborne polyurethane thickener_9a6dc58f
  • coatex coapur 830w waterborne polyurethane thickener_9a6dc58f

Features Of Coatex Coapur 830W Waterborne Polyurethane Thickener

  1. High-efficiency associative thickening with excellent rheology control in low-VOC, waterborne systems.

  2. Outstanding compatibility with acrylic, vinyl-acrylic, and styrene-butadiene emulsions.

  3. Provides superior sag resistance and brush/roller application performance without compromising flow leveling.

  4. Non-ionic, low-foaming formulation ensures stability in preservative-containing formulations.

  5. Enables robust freeze-thaw and shelf-life stability in architectural and industrial coatings.

Typical Applications Of Coatex Coapur 830W Waterborne Polyurethane Thickener

  1. Interior and exterior architectural wall paints.

  2. Waterborne wood coatings and clear finishes.

  3. Industrial maintenance coatings for metal and concrete substrates.

  4. Water-based primers and undercoats.

  5. Low-VOC decorative and protective coatings for construction applications.

Specifications Of Coatex Coapur 830W Waterborne Polyurethane Thickener

Chemical TypeAssociative polyurethane (HEUR)
Product FormClear to slightly hazy aqueous dispersion
AppearanceOff-white to pale yellow liquid
pH (1% aqueous solution)6.5 – 7.5
Solids Content (wt%)28 – 32%
Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm)1,500 – 4,000
Primary ApplicationsArchitectural and industrial waterborne coatings
Key FeaturesRheology modifier, sag resistance, spray/brush compatibility


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