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High chroma, intense blue-violet hue with excellent lightfastness.
Outstanding thermal stability up to 250°C, suitable for medium-temperature processing.
Low water solubility and excellent alkali resistance—ideal for cementitious and plaster systems.
Non-toxic, sulfate-free formulation compliant with EN 71-3 and ASTM F963 toy safety standards.
Fine particle size distribution ensures uniform dispersion and minimal grittiness in final applications.
Architectural coatings and decorative plasters.
Colored concrete, terrazzo, and precast concrete elements.
Plastic masterbatches for rigid PVC and polyolefin applications.
Ceramic glazes requiring low-temperature firing (≤1100°C).
Artist-grade acrylics and water-based interior paints.
| Chemical Type | Sodium aluminosilicate sulfide (synthetic ultramarine) |
| Product Form | Free-flowing fine powder |
| Appearance | Brilliant blue-violet powder with slight violet undertone |
| Primary Applications | Architectural coatings, concrete coloration, plastics, ceramics |
| Key Features | Alkali-stable, non-bleeding, lightfast, sulfate-free |
| Benefits | Consistent batch-to-batch color, low dust generation, easy wetting & dispersion |
| pH Stability Range | 7–12 (stable in alkaline media) |
| Volatile Matter (105°C, 2h) | ≤5.0% w/w |
Q1: What is the primary chemical composition of Holliday 5005 Ultramarine Pigment?
A: Holliday 5005 is a synthetic sodium aluminosilicate-based ultramarine pigment, incorporating sulfur-containing chromophores responsible for its intense blue hue. It does not contain heavy metals such as lead, cadmium, or chromium.
Q2: Is Holliday 5005 suitable for use in acid-sensitive applications, such as certain coatings or inks?
A: No — like most ultramarine pigments, Holliday 5005 is susceptible to acid degradation and may undergo color shift or fading when exposed to low-pH environments. It is best suited for neutral to alkaline systems, including architectural paints, artist materials, and some plastics where pH stability is maintained.
Q3: How does Holliday 5005 perform under UV exposure and elevated temperatures?
A: Holliday 5005 offers good lightfastness in indoor applications but has limited UV resistance for long-term exterior exposure. Thermal stability is adequate for standard processing conditions in plastics and rubber compounding, though prolonged exposure above 180 °C may result in gradual color weakening.
Q4: Can Holliday 5005 be used in food-contact or pharmaceutical applications?
A: Holliday 5005 is not certified for direct food-contact or pharmaceutical use. While it complies with general industrial safety guidelines, it is intended for non-regulated applications such as decorative coatings, industrial plastics, and printing inks where regulatory clearance is not required.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
