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High chroma and exceptional color purity in the blue-violet spectrum.
Excellent thermal stability up to 250 °C, suitable for high-temperature processing.
Good lightfastness and UV resistance in polymer and coating systems.
Low water solubility and superior alkali resistance compared to conventional ultramarines.
Consistent particle size distribution for uniform dispersion and minimal agglomeration.
Plastic coloration including polyolefins, ABS, and engineering thermoplastics.
Architectural and industrial coatings requiring clean, stable blue tones.
Masterbatch formulations for injection molding and extrusion processes.
Printing inks for flexible packaging and premium label applications.
Specialty construction materials such as colored concrete and dry-mix mortars.
| Chemical Type | Sodium aluminosilicate with polysulfide chromophore |
| Product Form | Fine, free-flowing powder |
| Appearance | Brilliant violet-blue powder with matte finish |
| Primary Applications | Plastics, coatings, inks, construction materials |
| Key Features | Thermal stability, alkali resistance, low water solubility |
| Benefits | Color consistency, easy dispersion, reduced batch variation |
| pH Stability Range | 5.5 – 10.5 |
| Volatile Content (105 °C, 2 h) | ≤ 5.0 wt% |
Q1: What is the primary functional advantage of Holliday XAR AR xar Ultramarine Pigment in corrosion-inhibiting coatings?
A: Holliday XAR AR xar Ultramarine Pigment functions as an active anti-corrosive pigment, leveraging its unique ultramarine-based chemistry to provide cathodic inhibition and enhance passivation of ferrous substrates—particularly effective in high-performance marine, offshore, and industrial maintenance coatings where long-term barrier integrity is critical.
Q2: Is this pigment compatible with both solvent-borne and water-borne coating systems?
A: Yes—Holliday XAR AR xar Ultramarine Pigment is engineered for broad compatibility across epoxy, polyurethane, alkyd, and acrylic resin systems, including both conventional solvent-based and modern low-VOC water-borne formulations. Dispersion stability and minimal impact on rheology have been validated in representative industrial coating matrices.
Q3: How does this ultramarine pigment differ from traditional zinc phosphate or strontium chromate alternatives?
A: Unlike legacy inhibitors, Holliday XAR AR xar Ultramarine Pigment offers a non-toxic, heavy-metal-free alternative with improved environmental profile and regulatory acceptance. Its mechanism relies on controlled ion exchange and surface complexation rather than stoichiometric leaching, supporting sustainable formulation goals without compromising performance in demanding service environments.
Q4: What are recommended handling and storage conditions to maintain pigment performance?
A: Store in original sealed containers in a cool, dry environment away from direct sunlight and moisture sources. Avoid prolonged exposure to high humidity or condensation, as ultramarine pigments may undergo reversible color shifts under acidic or highly humid conditions—proper packaging and handling preserve dispersion consistency and functional activity.
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E-mail: wangxingqiang@ericwchem.com
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