Exceptional thermal stability up to 800 °C, maintaining color integrity under high-temperature processing.
Outstanding UV resistance and lightfastness, ensuring long-term color retention in outdoor applications.
Chemically inert composition with low solubility in acids, alkalis, and organic solvents.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards (RoHS, REACH).
High tinting strength and excellent dispersion characteristics in aqueous and solvent-based systems.
Ceramic glazes and frits for architectural tiles and sanitaryware.
High-performance coatings for industrial equipment and exhaust systems.
Colorants in refractory materials and fireproofing mortars.
Pigmentation of glass enamels and decorative glass fusing applications.
Functional fillers in heat-resistant plastics and polymer composites.
| Chemical Type | Mixed-metal oxide (iron-chromium spinel) |
| Product Form | Fine dry powder |
| Appearance | Dark brown to black granular powder |
| Primary Applications | Ceramics, high-temp coatings, refractories, glass enamels |
| Key Features | Thermal stability, UV resistance, chemical inertness, non-toxicity |
| Particle Size (D50) | 1.2–1.8 µm |
| Bulk Density | 2.4–2.7 g/cm³ |
| pH (10% aqueous slurry) | 6.8–7.4 |
Q1: What are the primary applications for Holliday 5008 Inorganic Pigment?
A: Holliday 5008 is widely used in high-performance industrial coatings, including coil coatings, architectural metal finishes, and protective coatings for infrastructure. Its excellent thermal stability and weather resistance also make it suitable for select high-temperature plastics and ceramic glazes where inorganic colorants are required.
Q2: Is Holliday 5008 compatible with both water-based and solvent-based coating systems?
A: Yes — Holliday 5008 exhibits good dispersibility and stability in a broad range of binder systems, including acrylics, polyesters, epoxies, and alkyds, across both aqueous and organic solvent environments. Optimal performance typically requires appropriate dispersion protocols and wetting agents tailored to the specific formulation.
Q3: How does Holliday 5008 perform under UV exposure and outdoor weathering?
A: As an inorganic pigment, Holliday 5008 offers inherently high UV stability and resistance to chalking or fading. It maintains consistent color integrity and opacity over extended periods in exterior applications, especially when incorporated into durable resin matrices with appropriate UV stabilizers.
Q4: What is the typical dosage range for Holliday 5008 in coating formulations?
A: Dosage depends on the desired opacity, color strength, and film thickness, but Holliday 5008 is generally effective at low concentrations — typically ranging from 0.1% to 2% by weight in the final formulation. Higher loadings may be used for maximum hiding power, though dispersion quality becomes increasingly critical.
Q5: Does Holliday 5008 contain heavy metals regulated under RoHS or REACH?
A: Holliday 5008 is formulated without lead, cadmium, mercury, or hexavalent chromium, and complies with current RoHS and REACH SVHC screening expectations for general industrial pigment use. For specific regulatory compliance in end-use applications, users should consult the latest Safety Data Sheet and verify against applicable regional requirements.
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