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

Coatex COAPUR XS 71 Polyurethane Thickener

Coatex COAPUR XS 71 is a hydrophobically modified polyurethane (HMPE) thickener from the COAPUR XS series, delivering exceptional rheology control, high-shear viscosity stability, and outstanding compatibility in waterborne coatings and architectural paints without compromising flow or leveling.
  • coatex coapur xs 71 polyurethane thickener_207f54db
  • coatex coapur xs 71 polyurethane thickener_207f54db

Features Of Coatex COAPUR XS 71 Polyurethane Thickener

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

  2. Delivers excellent mid-shear viscosity build and outstanding sag resistance in waterborne systems.

  3. Provides low foaming characteristics and good compatibility with common surfactants and co-thickeners.

  4. Enables efficient viscosity control without significantly increasing high-shear viscosity, supporting good application properties.

  5. Stable across a broad pH range (pH 4–10), ensuring robust performance in diverse formulations.

Typical Applications Of Coatex COAPUR XS 71 Polyurethane Thickener

  1. Architectural interior and exterior flat and low-sheen paints.

  2. Waterborne industrial maintenance coatings.

  3. Wood and metal primers and topcoats.

  4. Water-based decorative wall coatings and textured finishes.

  5. Low-VOC and zero-VOC compliant coating systems.

Specifications Of Coatex COAPUR XS 71 Polyurethane Thickener

Chemical TypeHydrophobically modified polyurethane (HEUR)
Product FormLiquid
AppearanceOpaque white to off-white dispersion
pH (1% aqueous solution)6.5 – 8.5
Active Content30 ± 1 wt%
Viscosity (25°C, Brookfield RVT, spindle #3, 20 rpm)1,500 – 4,500 mPa·s
Freeze-Thaw StabilityPasses 3 cycles (−18°C/24 h → 23°C/24 h)
Primary ApplicationsRheology modification in waterborne architectural and industrial coatings


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