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High chromatic strength with intense violet-blue hue and excellent tinting power.
Outstanding lightfastness and weather resistance, meeting ISO 105-B02 (≥7) rating.
Thermally stable up to 350°C, suitable for high-temperature processing applications.
Non-toxic, sulfate-free formulation compliant with EN 71-3 and RoHS directives.
Excellent dispersibility in aqueous and solvent-based systems without flocculation.
Architectural and industrial coatings requiring durable color consistency.
Plastic coloration for polyolefins, ABS, and PVC under standard extrusion conditions.
Printing inks for packaging films and corrugated board where UV stability is critical.
Specialty inks for security documents and banknote substrates.
Artists’ acrylics and watercolor paints demanding archival-grade permanence.
| Chemical Type | Sodium aluminum silicate sulfide (Ultramarine) |
| Product Form | Fine dry powder |
| Appearance | Violet-blue free-flowing granular powder |
| Primary Applications | Coatings, plastics, inks, artists’ colors |
| Key Features | Lightfastness ≥7, thermal stability ≤350°C, pH-stable (6–9) |
| Particle Size (D50) | 8–12 µm |
| Specific Gravity | 2.4–2.6 g/cm³ |
| Volatiles (105°C, 2h) | ≤1.0 wt% |
Q1: What is the primary chemical composition of Holliday Violet12 Ultramarine Pigment?
A: Holliday Violet12 is a synthetic ultramarine pigment based on a sodium aluminosilicate matrix with sulfur-based chromophores. Its violet hue arises from polysulfide anions trapped within the crystalline lattice, and it contains no heavy metals such as lead, cadmium, or chromium.
Q2: Is Holliday Violet12 suitable for use in acid-sensitive applications such as certain coatings or inks?
A: No — like most ultramarine pigments, Holliday Violet12 is sensitive to acidic environments and may undergo color fading or discoloration at pH below approximately 5. It performs best in neutral to alkaline systems, including aqueous architectural paints, artist materials, and detergent matrices.
Q3: How does Holliday Violet12 compare to organic violet pigments in terms of heat stability?
A: Holliday Violet12 offers superior thermal stability compared to many organic violet pigments, maintaining its color integrity up to approximately 250–300 °C in short-term processing conditions. This makes it well-suited for applications involving moderate-temperature drying, extrusion, or powder coating curing — though prolonged exposure above 300 °C is not recommended.
Q4: Can Holliday Violet12 be used in food-contact plastics or cosmetics?
A: Holliday Violet12 is not approved for direct food contact or cosmetic applications under current major regulatory frameworks. It is formulated and qualified for industrial and decorative uses only, such as architectural coatings, plastics for non-food packaging, and specialty inks.
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