English
Español
tiếng việt
русский
High chromatic strength with intense, clean blue to violet-blue hue.
Excellent lightfastness and weather resistance for long-term color stability.
Good thermal stability up to 180°C in polymer and coating systems.
Non-toxic, sulfate-free formulation compliant with EN 71-3 and RoHS directives.
Optimized particle size distribution for smooth dispersion and minimal grittiness.
Architectural and industrial water-based coatings.
Plastic coloration including PP, HDPE, and ABS compounds.
Printing inks for packaging and decorative applications.
Artists’ acrylics, gouache, and specialty graphic media.
Construction materials such as colored concrete and stucco.
| Chemical Type | Sodium aluminosilicate with polysulfide chromophore |
| Product Form | Fine free-flowing powder |
| Appearance | Brilliant blue to violet-blue powder |
| Primary Applications | Coatings, plastics, inks, construction materials |
| Key Features | Lightfast, non-toxic, heat-stable, sulfate-free |
| Benefits | Consistent batch-to-batch color, easy dispersion, low oil absorption |
| pH (5% aqueous suspension) | 8.5–9.5 |
| Volatile Matter (105°C, 2 hrs) | ≤ 2.0% |
Q1: What is the primary chemical composition of Holliday HG Ultramarine Pigment?
A: Holliday HG Ultramarine Pigment is a synthetic inorganic pigment based on the sodium aluminosilicate framework, incorporating polysulfide anions responsible for its characteristic blue to violet hues. It does not contain heavy metals such as lead, cadmium, or chromium, and is chemically distinct from organic dyes or iron oxide pigments.
Q2: Is Holliday HG Ultramarine Pigment suitable for use in acid-sensitive applications, such as certain coatings or inks?
A: No — ultramarine pigments are inherently sensitive to acidic environments. Exposure to low pH conditions can cause irreversible color fading or discoloration (e.g., turning greenish or gray). It is recommended for neutral to alkaline systems only, and compatibility testing is advised when used with acidic resins, catalysts, or additives.
Q3: How does Holliday HG Ultramarine Pigment perform under UV exposure and elevated temperatures?
A: Holliday HG exhibits good thermal stability up to approximately 200 °C for short-term processing, but prolonged heating above this range may lead to gradual color weakening. Its UV resistance is moderate — while more stable than many organic blues, extended outdoor exposure without protective overcoats or UV stabilizers may result in gradual fading, especially in thin-film applications.
Q4: Can Holliday HG Ultramarine Pigment be dispersed in water-based systems without special treatment?
A: Yes — Holliday HG is readily dispersible in aqueous media using standard high-shear mixing or bead milling. However, optimal dispersion stability and color development typically require the use of compatible surfactants or polymeric dispersants tailored for inorganic pigments. Untreated dispersions may show reduced tinting strength or slight settling over time.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
