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High chromatic strength with intense, clean blue-violet hue.
Excellent lightfastness and weather resistance for long-term color stability.
Good thermal stability up to 180°C, suitable for medium-temperature processing.
Non-toxic and sulfate-free formulation compliant with global regulatory standards.
Optimized particle size distribution for smooth dispersion in aqueous and solvent-based systems.
Architectural and industrial coatings requiring durable, fade-resistant blue tones.
Plastic coloration for polyolefins, ABS, and PVC in extrusion and injection molding.
Inks for packaging gravure and flexographic printing.
Masterbatch formulations for automotive interior components.
Construction materials including concrete stains and decorative cementitious products.
| Chemical Type | Sodium aluminum silicate sulfide (Ultramarine Blue) |
| Product Form | Fine dry powder |
| Appearance | Free-flowing, uniform blue-violet powder |
| Primary Applications | Coatings, plastics, inks, construction materials |
| Key Features | Lightfastness Grade 7–8 (ISO 105-B02), non-bleeding |
| Benefits | Low migration, pH-stable in neutral to mildly alkaline media |
| Recommended Loading Range | 0.5–3.0 wt% depending on substrate and opacity requirement |
| Storage Conditions | Keep in cool, dry place; protect from moisture and direct sunlight |
Q1: What is the primary chemical composition and stability profile of Holliday 32 Ultramarine Pigment?
A: Holliday 32 is a synthetic sodium aluminosilicate-based ultramarine pigment, stabilized with sulfur-containing chromophores. It exhibits excellent lightfastness and thermal stability up to approximately 180 °C in dry powder form, though prolonged exposure above this temperature or contact with strong acids may cause irreversible color degradation.
Q2: Is Holliday 32 suitable for use in food-contact coatings or inks?
A: Holliday 32 is not certified for direct food-contact applications under major global regulatory frameworks. It is intended for industrial and decorative coatings where regulatory compliance for food safety is not required. Customers requiring food-safe pigments should consult Holliday’s dedicated food-grade product portfolio.
Q3: How does Holliday 32 perform in acidic environments, such as acid-cured epoxy or polyester systems?
A: Holliday 32 is sensitive to low-pH conditions and may undergo color fading or discoloration in strongly acidic media. It is best suited for neutral to mildly alkaline systems. For acid-cured formulations, compatibility testing under actual processing conditions is strongly recommended before full-scale integration.
Q4: What is the typical dosage range when incorporating Holliday 32 into solvent-based architectural paints?
A: Dosage depends on desired chroma intensity and substrate opacity, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight of the total formulation—to achieve consistent blue-violet hues without compromising dispersion stability or film integrity.
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