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

Coatex Coapur 2025 Polyurethane Thickener

Coatex Coapur 2025 is a high-performance polyurethane rheology modifier designed for waterborne coatings. It delivers excellent viscosity control, outstanding sag resistance, and superior gloss retention without compromising flow or leveling. Compatible with acrylics, vinyl acetate, and hybrid systems, it ensures robust shear-thinning behavior and low-shear viscosity stability—ideal for architectural and industrial applications requiring durable, eco-friendly thickening.
  • coatex coapur 2025 polyurethane thickener_b5f7f9ca
  • coatex coapur 2025 polyurethane thickener_b5f7f9ca

Features Of Coatex Coapur 2025 Polyurethane Thickener

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

  2. Delivers excellent mid-to-high shear viscosity control and outstanding sag resistance.

  3. Provides superior compatibility with both water-based acrylic and styrene-acrylic emulsions.

  4. Enables low foam generation and excellent storage stability in formulated systems.

  5. Offers efficient thickening performance at low addition levels (typically 0.1–0.6 wt%).

Typical Applications Of Coatex Coapur 2025 Polyurethane Thickener

  1. Architectural interior and exterior wall paints.

  2. Water-based industrial maintenance coatings.

  3. Textile printing pastes and pigment dispersions.

  4. Wood and metal protective coatings.

  5. Tile grout and cementitious waterproofing slurries.

Specifications Of Coatex Coapur 2025 Polyurethane Thickener

Chemical TypeHydrophobically Modified Polyurethane (HEUR)
Product FormAqueous dispersion
AppearanceOpaque white to off-white liquid
pH (1% aqueous solution)7.0–8.5
Active Content25.0 ± 1.0 wt%
Viscosity (Brookfield RVT, Spindle #3, 20 rpm, 25°C)1,500–4,000 mPa·s
Freeze-Thaw StabilityPass (3 cycles, –15°C/24 h → 25°C/24 h)
Primary ApplicationsWater-based architectural and industrial coatings


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