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

Spredox D-159 Dispersant

Spredox D-159 Dispersant is a high-performance polymeric dispersant from Spredox’s D-series, engineered for superior pigment stabilization in water-based coatings and inks. It delivers excellent grind efficiency, viscosity control, and long-term colloidal stability without compromising color strength or gloss. Compatible with diverse pigment types including carbon black and organic pigments, it enhances formulation robustness and shelf life.
  • spredox d 159 dispersant_2e90fa90
  • spredox d 159 dispersant_2e90fa90

Features Of Spredox D-159 Dispersant

  1. High-efficiency steric and electrostatic stabilization for inorganic pigments and fillers.

  2. Excellent compatibility with water-based acrylic, styrene-acrylic, and PUD systems.

  3. Low foaming profile, enabling stable processing without defoamer dependency.

  4. Enhanced color development and gloss retention in pigment-rich formulations.

  5. Good freeze-thaw stability and long-term storage performance in liquid dispersions.

Typical Applications Of Spredox D-159 Dispersant

  1. Architectural and industrial waterborne paints.

  2. Water-based inkjet inks for wide-format printing.

  3. Functional coatings including anti-corrosive primers and UV-curable basecoats.

  4. Pigment concentrates (color pastes) for construction chemicals and adhesives.

  5. Mineral-filled polymer composites and aqueous ceramic slip systems.

Specifications Of Spredox D-159 Dispersant

Chemical TypeAnionic polymeric dispersant (modified polycarboxylate)
Product FormAqueous solution, ready-to-use liquid
AppearanceClear to slightly hazy, light amber liquid
pH (10% aqueous solution)6.5 – 7.5
Active Content35 – 38 wt%
Density (25°C)1.08 – 1.12 g/cm³
Viscosity (25°C, mPa·s)150 – 400 (Brookfield RV, spindle #3, 20 rpm)
Primary ApplicationsStabilization of TiO₂, iron oxides, carbon black, calcium carbonate, and clay in water-based systems


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