Aqueous dispersant for pigment stability in WB systems by Lubrizol
Last update on May 6, 2026
Formulators working on water-based coatings and inks can now evaluate Solsperse™ W90C, a new aqueous polymeric dispersant introduced by Lubrizol. The product is a 35% active, water-based dispersant designed to enhance pigment dispersion, stability, and color development across a wide range of water-based coatings and inks, including water-based inks used in flexographic, gravure, and inkjet printing.
Solsperse™ W90C delivers rapid pigment wetting, viscosity reduction, and dispersion performance in both resin-free and resin-containing systems. This supports improved coloristic properties across diverse pigment types, ensuring consistent quality in demanding formulations.
You can review the full Lubrizol product range in the Master Catalog of Coatings.
Key performance benefits
Solsperse™ W90C delivers:
- Fast wetting for improved processing efficiency
- Enhanced coloristic properties for stronger, cleaner shades
- Wide pigment and resin compatibility to support formulation flexibility and complexity reduction
- Improved dispersion stability supporting long-term performance in aqueous systems
- Strong performance in resin-free and especially strong performance in resin-containing grinds to maximize formulation flexibility
- Suitable for multiple water-based applications, including analog and digital printing inks, architectural and industrial coatings
Solsperse™ W90C is part of Lubrizol's Solsperse™ hyperdispersant portfolio. Solsperse™ hyperdispersants are recognized for performance in ink and coating formulations.
Dr. Alison Drasdo, marketing manager at Lubrizol, commented, "Solsperse™ W90C represents an important advancement for coating and ink formulators looking to enhance pigment efficiency and formulation robustness. Its fast-wetting capability and stability, particularly in resin-containing systems, gives formulators greater control, improved processing efficiency and the ability to achieve higher performing water-based coatings and inks."
Solsperse™ W90C combines stability, fast wetting, and improved color development, with compatibility across diverse formulations reported to address the performance demands of modern aqueous systems.
You can access technical datasheets of product range of Solsperse™ directly in the Master Catalog of Additives.
Image Credits: Lubrizol