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Highly effective polyacrylate-based dispersant for inorganic pigments and fillers.
Free-flowing granular form ensures excellent dosing accuracy and reduced dust generation during handling.
Excellent stabilization performance in high-solids, low-VOC aqueous systems.
Good compatibility with a broad range of waterborne resins including acrylics, styrene-acrylics, and PUDs.
Enables improved gloss, color strength, and storage stability in pigment concentrates and architectural coatings.
Architectural paints and interior/exterior wall coatings.
Pigment dispersions and color pastes for industrial coatings.
Waterborne wood coatings and stains.
Construction chemicals including tile adhesives and cementitious renders.
Printing inks (water-based flexo and gravure formulations).
| Chemical Type | Polyacrylic acid sodium salt (anionic polyelectrolyte) |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Dry, non-dusting granules |
| pH (1% aqueous solution) | 7.0 – 9.0 |
| Solubility | Fully soluble in cold and warm water |
| Primary Applications | Dispersant/stabilizer for inorganic pigments (e.g., TiO₂, CaCO₃, clay) in aqueous systems |
| Key Features | High molecular weight, anionic charge density, low foaming |
| Benefits | Improved grind efficiency, enhanced storage stability, reduced viscosity at high pigment loading |
Q1: What is the primary function of Sokalan PA 25 CL in industrial formulations?
A: Sokalan PA 25 CL is a polyacrylic acid-based granular surfactant designed primarily to provide dispersion stabilization, viscosity control, and colloidal stabilization in aqueous systems—especially in pigment dispersions, construction additives, and industrial cleaning formulations.
Q2: How does the granular form benefit handling and formulation compared to liquid alternatives?
A: The free-flowing granular format enhances operator safety, simplifies dosing accuracy, reduces transport and storage volume, and minimizes risks associated with splashing or spillage—making it especially suitable for automated batching systems and high-volume production environments.
Q3: Is Sokalan PA 25 CL compatible with common biocides and other additives used in water-based coatings?
A: Yes, Sokalan PA 25 CL generally exhibits good compatibility with a broad range of preservatives, thickeners, defoamers, and co-dispersants typically employed in architectural and industrial coatings—though compatibility testing under actual formulation conditions is recommended prior to full-scale implementation.
Q4: What is the typical dosage range for effective performance in pigment dispersion applications?
A: Dosage depends on pigment type, loading, and desired rheology, but Sokalan PA 25 CL is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to pigment solids—to achieve optimal wetting and long-term dispersion stability.
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