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Exceptional lightfastness and weather resistance for long-term color stability.
High tinctorial strength with intense, clean violet-blue hue and excellent chroma.
Excellent chemical inertness—resistant to alkalis, weak acids, and common solvents.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards.
Fine particle size distribution ensures smooth dispersion and uniform color development in diverse media.
Architectural and industrial coatings requiring durable, fade-resistant violet tones.
Plastic coloration for polyolefins, PVC, and engineering thermoplastics.
Printing inks—especially offset, flexographic, and gravure systems demanding high clarity and dispersion stability.
Artists’ colors and specialty decorative paints where purity of hue and non-reactivity are critical.
Cosmetic-grade applications including nail polish and eye shadows (subject to local regulatory approval).
| Chemical Type | Sodium aluminosilicate with polysulfide chromophores |
| Product Form | Free-flowing dry powder |
| Appearance | Fine, homogeneous violet-blue powder |
| Primary Applications | Coatings, plastics, inks, artists' materials, cosmetics (regulated use) |
| Key Features | Alkali-stable, non-bleeding, non-migrating, UV-stable |
| Heat Stability | Up to 180°C (short-term exposure) |
| pH Range (Aqueous Dispersion) | 9.5–11.0 |
| Heavy Metals Content | Compliant with EN71-3, ASTM F963, and EU Cosmetics Regulation (Annex II) |
Q1: What is the primary chemical composition of Holliday Violet11/V11?
A: Holliday Violet11/V11 is a synthetic ultramarine pigment based on a sodium aluminosilicate matrix with polysulfide chromophores, delivering its characteristic violet hue through sulfur-based color centers within the crystalline lattice.
Q2: Is this pigment suitable for use in acid-sensitive applications such as certain coatings or inks?
A: No — like most ultramarine pigments, Holliday Violet11/V11 is alkali-stable but susceptible to degradation in acidic environments (pH < 5), which may cause fading or color shift; it is recommended for neutral-to-alkaline systems only.
Q3: How does Holliday Violet11/V11 perform under UV exposure and elevated temperatures?
A: It exhibits good thermal stability up to approximately 250 °C in inert atmospheres and moderate lightfastness; however, prolonged direct UV exposure may lead to gradual color weakening, especially in thin-film applications or when not protected by UV-stabilized binders.
Q4: Can Holliday Violet11/V11 be used in food-contact plastics or cosmetics?
A: Holliday Violet11/V11 is not approved for direct food-contact or cosmetic applications under major global regulatory frameworks; it is intended for industrial coatings, artist materials, and non-regulated decorative uses where pigment migration and biocompatibility are not required.
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E-mail: wangxingqiang@ericwchem.com
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