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Highly concentrated pigment dispersion for efficient coloration with low dosage.
Excellent compatibility with water-based and solvent-based acrylic, polyurethane, and alkyd resin systems.
Optimized rheology for easy incorporation and stable storage without sedimentation.
Low VOC formulation supporting compliance with stringent environmental and regulatory standards.
Consistent batch-to-batch color strength and hue reproducibility for reliable production scaling.
Architectural and industrial waterborne coatings.
Automotive refinish basecoat and clearcoat systems.
Wood and furniture finishing coatings.
Plastic coatings and in-can tinting for decorative applications.
General-purpose protective and decorative paints for metal and concrete substrates.
| Chemical Type | Organic pigment dispersion in aqueous medium |
| Product Form | Liquid color paste |
| Appearance | Homogeneous, viscous liquid; free of visible particles or gel |
| Primary Applications | Water-based and solvent-based decorative and protective coatings |
| Key Features | High tinctorial strength, excellent dispersibility, low foam generation |
| Benefits | Reduced formulation complexity, improved color consistency, enhanced storage stability |
| pH (25°C) | 7.5 – 8.5 |
| Storage Temperature | 5 – 30 °C; protect from freezing and direct sunlight |
Q1: What is the primary function of Hostatint Extender CC 500 in color formulations?
A: Hostatint Extender CC 500 is a liquid color extender designed to improve pigment dispersion stability and enhance color strength development in water-based systems. It functions as a rheology modifier and wetting aid, helping to reduce agglomeration and support uniform distribution of organic pigments.
Q2: Is Hostatint Extender CC 500 compatible with all types of organic pigments?
A: It shows broad compatibility with common high-performance organic pigments used in industrial coatings and inks, including phthalocyanines, quinacridones, and perylenes. Performance may vary depending on pigment surface chemistry, so preliminary compatibility testing is recommended for new pigment combinations.
Q3: Can this product be used in food-contact applications?
A: Hostatint Extender CC 500 is not intended for direct food-contact applications. Its regulatory status does not include approvals for use in materials that come into contact with food under current global frameworks. Customers requiring food-contact compliance should consult Clariant’s dedicated food-safe product portfolio.
Q4: How should Hostatint Extender CC 500 be incorporated into a formulation?
A: It is typically added during the pigment grinding or let-down stage, either before or alongside the pigment slurry. Good mechanical agitation is recommended to ensure homogeneous integration. Dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight relative to total pigment content.
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E-mail: wangxingqiang@ericwchem.com
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