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High chroma, clean phthalocyanine-based blue shade with excellent lightfastness and weather resistance.
Optimized rheology for easy dispersion in aqueous and solvent-based systems without grinding.
Low volatile organic compound (VOC) content, supporting sustainable formulation requirements.
Good compatibility with common acrylic, styrene-acrylic, and polyurethane dispersions.
Consistent batch-to-batch color strength and hue, ensuring reliable production repeatability.
Architectural and industrial waterborne coatings.
Automotive refinish coatings (basecoat and clearcoat systems).
Plastic masterbatches for injection molding and extrusion.
Printing inks for packaging and labeling applications.
Wood stains and transparent decorative finishes.
| Chemical Type | Phthalocyanine pigment dispersion |
| Product Form | Concentrated liquid color paste |
| Appearance | Viscous, homogeneous blue paste |
| Primary Applications | Waterborne and solventborne coatings, plastics, inks |
| Key Features | High tinctorial strength, low dusting, non-settling |
| Benefits | Reduced formulation complexity, improved color consistency, enhanced process efficiency |
| Storage Stability | 12 months at 5–30 °C in sealed original container |
| VOC Content | <50 g/L (as per ISO 11890-2) |
Q1: What is the primary application area for Hostatint Blue B2G 531 Color Paste?
A: Hostatint Blue B2G 531 is specifically developed for coloring polyolefin-based packaging materials, including flexible films and rigid containers used in food, pharmaceutical, and consumer goods applications. Its formulation emphasizes thermal stability during extrusion and excellent dispersion in PP and PE matrices.
Q2: Is this color paste suitable for food-contact applications?
A: Yes — Hostatint Blue B2G 531 is manufactured under Clariant’s stringent quality management system and complies with global regulatory expectations for indirect food contact when used in accordance with good manufacturing practices. Final compliance depends on the complete formulation and processing conditions, and users are responsible for verifying suitability for their specific application and jurisdiction.
Q3: How should the paste be incorporated into polyolefin compounds?
A: It is typically added directly to the polymer melt during extrusion or injection molding using gravimetric or volumetric dosing systems. Pre-blending with a carrier resin or masterbatch dilution is recommended for optimal dispersion, especially at lower dosage levels.
Q4: Does this product contain heavy metals or halogenated compounds?
A: No — Hostatint Blue B2G 531 is formulated without intentionally added heavy metals (e.g., lead, cadmium, mercury, hexavalent chromium) and is free from brominated or chlorinated flame retardants. It aligns with Clariant’s commitment to sustainable, high-purity color solutions for sensitive applications.
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E-mail: wangxingqiang@ericwchem.com
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