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High chroma, intense blue-violet hue with excellent lightfastness under indoor conditions.
Excellent thermal stability up to 180 °C, suitable for low-temperature polymer processing.
Non-toxic and sulfate-free formulation compliant with EN 71-3 and ASTM F963 toy safety standards.
Good dispersibility in aqueous and polar organic systems without requiring specialized wetting agents.
Consistent batch-to-batch color strength and particle size distribution for reliable formulation reproducibility.
Architectural interior paints and coatings requiring clean, bright blue tones.
Plastic masterbatches for polyolefins, ABS, and PVC used in consumer electronics housings.
Artist-grade acrylic and gouache paints where non-toxicity and lightfastness are critical.
Paper tinting for premium packaging and decorative papers.
Soap, detergent, and cosmetic formulations requiring FDA-compliant colorants (non-oral contact).
| Chemical Type | Sodium aluminosilicate sulfur complex |
| Product Form | Fine dry powder |
| Appearance | Free-flowing, uniform blue-violet powder |
| Primary Applications | Water-based paints, plastics, paper, cosmetics, inks |
| Key Features | Non-toxic, sulfate-free, alkali-stable |
| Heat Stability | Stable up to 180 °C (short-term exposure) |
| pH Range Compatibility | 5.5–10.5 |
| Heavy Metals | Complies with EU Directive 2009/48/EC (Toy Safety) |
Q1: What is the primary chemical composition of Holliday 06 Ultramarine Pigment?
A: Holliday 06 is a synthetic sodium aluminosilicate pigment with sulfur-based chromophores, delivering stable blue to violet hues. Its structure incorporates polysulfide anions trapped within a zeolitic lattice, which defines its characteristic color and lightfastness profile.
Q2: Is Holliday 06 suitable for use in acid-sensitive applications such as certain coatings or inks?
A: No — ultramarine pigments, including Holliday 06, are inherently alkaline and susceptible to discoloration or degradation in acidic environments (pH < 5). They are best suited for neutral to alkaline systems like water-based architectural paints, artist’s materials, and select polymer masterbatches where pH stability is maintained.
Q3: How does Holliday 06 perform under UV exposure and elevated temperatures?
A: Holliday 06 exhibits good lightfastness in indoor applications but shows moderate sensitivity to prolonged direct UV radiation and temperatures above 180 °C. It is not recommended for exterior architectural coatings requiring long-term UV resistance or high-heat processing such as injection molding above 200 °C without stabilization support.
Q4: Can Holliday 06 be used in food-contact plastics or packaging inks?
A: Holliday 06 is not approved for direct food-contact applications under major global regulatory frameworks. Its use should be limited to non-migrating, non-food-facing components unless specifically validated and authorized by the end-use regulatory authority and supported by full compliance documentation.
Q5: What dispersion guidance is recommended for optimal color development in liquid systems?
A: For consistent performance, pre-wet Holliday 06 with compatible solvents or resins before high-shear dispersion. Avoid excessive mechanical stress that may damage the crystal lattice. Typical dosage ranges from 0.1% to 2% by weight, depending on required opacity and hue intensity, with formulation-specific optimization advised.
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E-mail: wangxingqiang@ericwchem.com
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