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

Spredox D-155 Dispersant

Spredox D-155 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 viscosity control, enhanced color strength, and long-term storage stability while minimizing flocculation and settling across diverse pigment systems.
  • spredox d 155 dispersant_6e8b8c02
  • spredox d 155 dispersant_6e8b8c02

Features Of Spredox D-155 Dispersant

  1. High-efficiency steric and electrostatic stabilization for pigment and filler suspensions.

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

  3. Low foaming profile, minimizing process interruptions in high-shear dispersion and grinding operations.

  4. Enhanced color development and gloss retention in architectural and industrial coatings.

  5. Reduced viscosity build-up over time, supporting long-term storage stability of concentrated colorants.

Typical Applications Of Spredox D-155 Dispersant

  1. Architectural interior and exterior waterborne paints.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. Automotive refinish basecoats and clearcoats.

  4. Water-based inkjet inks for packaging and decorative printing.

  5. Pigment concentrates (color pastes) for masterbatch and coating formulations.

Specifications Of Spredox D-155 Dispersant

Chemical TypeAnionic polymeric dispersant based on modified polycarboxylate architecture
Product FormAqueous liquid solution
AppearanceClear to slightly hazy, light amber liquid
pH (1% aqueous solution)6.0 – 7.5
Active Content35.0 ± 1.5 wt%
Density (25°C)1.04 – 1.07 g/cm³
Viscosity (25°C, mPa·s)150 – 400 (Brookfield RV, spindle #3, 20 rpm)
Primary ApplicationsStabilization of inorganic pigments (TiO₂, iron oxides), calcium carbonate, and clay fillers


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