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High chromatic strength with intense, clean blue-violet hue ideal for color matching precision.
Excellent lightfastness and weather resistance suitable for both indoor and outdoor applications.
Thermally stable up to 250 °C, maintaining color integrity during polymer processing and baking operations.
Low water solubility and high alkali resistance, ensuring performance in cementitious and plaster systems.
Non-toxic, sulfate-free formulation compliant with EU REACH and US FDA indirect food contact guidelines (21 CFR §184.1980).
Architectural coatings and decorative plasters requiring vibrant, fade-resistant blue tones.
High-performance powder coatings for metal substrates exposed to UV and thermal cycling.
Coloration of polypropylene (PP), polyethylene (PE), and ABS plastics in injection molding and extrusion.
Pigmentation of gypsum-based building materials including drywall joint compounds and decorative panels.
Specialty inks for packaging films where non-bleeding, non-migrating colorants are critical.
| Chemical Type | Sodium aluminosilicate with polysulfide chromophore |
| Product Form | Fine free-flowing powder |
| Appearance | Brilliant violet-blue granular powder |
| Primary Applications | Coatings, plastics, construction materials, inks |
| Key Features | Alkali-stable, heat-resistant, low water extractables |
| Particle Size (D50) | 8–12 µm (laser diffraction) |
| Volatile Matter (105 °C, 2 h) | ≤ 0.8 wt% |
| pH (5% aqueous slurry) | 9.5–10.5 |
Q1: What is the primary chemical composition of Holliday 05 5005 Ultramarine Pigment?
A: Holliday 05 5005 is a synthetic sodium aluminosilicate pigment, stabilized with sulfur-containing species to produce its characteristic intense blue hue. It contains no heavy metals such as lead, cadmium, or chromium, and is free from halogenated compounds.
Q2: Is this ultramarine pigment suitable for use in food-contact coatings or plastics?
A: Holliday 05 5005 is not certified for direct food-contact applications under major global regulatory frameworks. It is intended for industrial and decorative coatings, inks, and non-food-related polymer systems where regulatory compliance does not require food-grade pigment approval.
Q3: How stable is Holliday 05 5005 under acidic conditions?
A: Like most ultramarine pigments, Holliday 05 5005 exhibits limited acid resistance. Prolonged exposure to low-pH environments (e.g., pH < 5) may cause fading or discoloration due to degradation of the polysulfide chromophore. It performs best in neutral to mildly alkaline systems.
Q4: Can this pigment be used in water-based coating systems?
A: Yes — Holliday 05 5005 is compatible with many water-based acrylic, vinyl, and styrene-acrylic dispersions. Good dispersion stability requires appropriate wetting agents and pH control (typically between 7.5 and 9.0) to maintain color integrity and prevent flocculation.
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E-mail: wangxingqiang@ericwchem.com
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