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

KS Chemical Rheoflow DS-425 Dispersant

KS Chemical Rheoflow DS-425 Dispersant is a high-performance polymeric dispersant from KS Chemical’s Rheoflow series, engineered for stable pigment deagglomeration and viscosity reduction in water-based coatings, inks, and construction chemicals. It offers excellent wetting, long-term storage stability, and broad compatibility with organic pigments and fillers while minimizing foam and shear sensitivity.
  • ks chemical rheoflow ds 425 dispersant_8cb4ae9f
  • ks chemical rheoflow ds 425 dispersant_8cb4ae9f

Features Of KS Chemical Rheoflow DS-425 Dispersant

  1. High-efficiency steric stabilization for pigment and filler suspensions in water-based systems.

  2. Low foaming profile, minimizing air entrapment during high-shear dispersion and milling processes.

  3. Excellent compatibility with acrylic, styrene-acrylic, and polyurethane dispersions.

  4. Promotes long-term colloidal stability and prevents hard settling under static storage conditions.

  5. pH-stable performance across a broad range (pH 6–10), supporting formulation flexibility.

Typical Applications Of KS Chemical Rheoflow DS-425 Dispersant

  1. Architectural and industrial waterborne coatings.

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

  3. Construction chemicals including cementitious tile adhesives and grouts.

  4. Functional aqueous suspensions for ceramic glazes and technical ceramics.

  5. Mineral-filled polymer composites and water-based sealants.

Specifications Of KS Chemical Rheoflow DS-425 Dispersant

Chemical TypeAnionic polymeric dispersant (modified polycarboxylate)
Product FormAqueous solution, non-volatile content ~40 wt%
AppearanceClear to slightly hazy, light amber liquid
pH (10% aqueous solution)7.0 – 8.5
Density (20°C)1.08 – 1.12 g/cm³
Viscosity (25°C, Brookfield LVT, spindle #3, 60 rpm)150 – 400 mPa·s
SolubilityCompletely miscible with water; limited solubility in alcohols, immiscible with hydrocarbons
Primary ApplicationsStabilization of inorganic pigments (TiO₂, iron oxides), calcium carbonate, talc, and silica in aqueous dispersions


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