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Highly concentrated pigment dispersion with excellent color strength and jetness.
Optimized rheology for easy incorporation into water-based and solvent-based systems.
Good lightfastness and weather resistance suitable for demanding outdoor applications.
Low volatile organic compound (VOC) content, supporting sustainable formulation goals.
Consistent batch-to-batch performance ensured by Clariant’s stringent quality control.
Architectural coatings including interior and exterior wall paints.
Industrial maintenance coatings for metal and concrete substrates.
Automotive refinish coatings requiring high gloss and uniform black shade.
Plastic coloration for rigid PVC, ABS, and polyolefin compounds.
Printing inks for packaging and commercial printing applications.
| Chemical Type | Organic pigment dispersion (carbon black-based) |
| Product Form | Liquid color paste |
| Appearance | Viscous black paste, homogeneous without sedimentation |
| Primary Applications | Coatings, plastics, inks |
| Key Features | High color strength, good dispersibility, low VOC |
| Recommended Vehicle Systems | Water-based, acrylic, alkyd, polyester, and polyurethane media |
| Storage Stability | 12 months at 5–30 °C in original sealed container |
| Shelf Life Indicator | Batch-specific expiry date marked on packaging |
Q1: What types of polymer systems is this color paste compatible with?
A: Clariant Colanyl Oxide Black B 531 VP 6076 is formulated for use in thermoplastic polymers including polyolefins (PP, PE), ABS, PS, and certain engineering plastics. Compatibility should be verified under actual processing conditions due to variations in resin grade, additives, and thermal history.
Q2: How is dosage typically determined for optimal black shade development?
A: Dosage depends on the target shade intensity, base resin transparency, and desired opacity. It is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—and optimized through lab-scale trials and spectral evaluation (e.g., L*a*b* or ΔE measurements).
Q3: Does this paste contain heavy metals or restricted substances?
A: This product is formulated without intentionally added lead, cadmium, mercury, or hexavalent chromium, and complies with Clariant’s internal Restricted Substances List (RSL). Regulatory compliance for specific end-use applications (e.g., food contact, toys) must be confirmed separately based on applicable regional requirements and final formulation.
Q4: What are the recommended storage and handling conditions?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and sources of heat. Avoid freezing. Prior to use, ensure thorough homogenization by gentle mechanical stirring to maintain pigment dispersion stability.
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