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

Coatex COAPUR 817W Polyurethane Thickener

Coatex COAPUR 817W is a waterborne, non-ionic polyurethane rheology modifier from the COAPUR series, designed for low-shear viscosity building and excellent sag resistance in architectural and industrial coatings without compromising flow or gloss.
  • coatex coapur 817w polyurethane thickener_4e9623cf
  • coatex coapur 817w polyurethane thickener_4e9623cf

Features Of Coatex COAPUR 817W Polyurethane Thickener

  1. Non-ionic, hydrophobically modified polyurethane (HEUR) rheology modifier for waterborne systems.

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

  3. Provides good compatibility with a broad range of latex polymers, pigments, and common formulation additives.

  4. Enables low foaming performance and high storage stability without compromising gloss or leveling.

  5. Offers efficient thickening at low dosage levels, supporting cost-effective and sustainable formulations.

Typical Applications Of Coatex COAPUR 817W Polyurethane Thickener

  1. Architectural interior and exterior flat to semi-gloss acrylic and vinyl-acrylic emulsion paints.

  2. Industrial maintenance coatings including primers, topcoats, and anti-corrosive systems.

  3. Wood coatings such as waterborne varnishes and stains requiring balanced flow and anti-drip performance.

  4. Waterborne adhesives and sealants where controlled rheology and open time are critical.

Specifications Of Coatex COAPUR 817W Polyurethane Thickener

Chemical TypeHydrophobically Modified Polyurethane (HEUR)
Product FormLiquid
AppearanceOpaque white to off-white viscous liquid
pH (1% aqueous solution)6.5 – 8.0
Active Content30.0 ± 1.0 wt%
Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C)8,000 – 15,000 mPa·s
Solubility / MiscibilityReadily dispersible in water; compatible with most common co-solvents
Primary ApplicationsWaterborne architectural and industrial coatings, wood finishes, adhesives


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