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Highly reflective aluminum flake pigment with exceptional brightness and metallic sparkle.
Optimized particle size distribution for excellent orientation and uniform surface appearance in coatings.
Surface-stabilized with organic coating to ensure superior dispersion stability in solvent-based and high-solids systems.
Excellent chemical resistance, including compatibility with common esters, ketones, and aromatic hydrocarbons.
Low oil absorption enabling high loading levels without compromising viscosity or application performance.
Automotive OEM and refinish basecoat systems requiring high-gloss metallic effects.
Industrial coil coatings for architectural and appliance applications.
Plastic masterbatches for automotive interior trims and consumer electronics housings.
General-purpose metallic paints for furniture, metal packaging, and decorative finishes.
| Chemical Type | Aluminum pigment (lamellar) |
| Product Form | Slurry in mineral spirits (approx. 65% solids) |
| Appearance | Grayish-silver paste with metallic sheen |
| Primary Applications | Automotive, industrial, and plastic coatings |
| Key Features | High brightness, good leafing behavior, solvent-stable |
| Benefits | Enhanced metallic effect, improved batch-to-batch consistency, easy integration into existing processes |
| Storage Stability | 12 months under recommended conditions (cool, dry, sealed container) |
| VOC Content | Compliant with EU Directive 2004/42/EC (Category A3) |
Q1: What is the primary functional benefit of SILTALLUX 8640 in coating systems?
A: SILTALLUX 8640 is a high-performance pearlescent pigment based on mica coated with titanium dioxide and iron oxide, engineered to deliver strong chromatic depth, excellent light orientation, and enhanced metallic visual effects—particularly valued in premium architectural and industrial coatings where dynamic color shift and surface brilliance are critical.
Q2: Is SILTALLUX 8640 suitable for water-based formulations?
A: Yes, SILTALLUX 8640 is specifically surface-treated for improved compatibility and dispersion stability in both water-based and solvent-based systems. It performs well in acrylic, polyurethane, and epoxy dispersions when processed using appropriate wetting agents and low-shear mixing protocols.
Q3: How does SILTALLUX 8640 compare to conventional aluminum or standard mica pigments in terms of weather resistance?
A: Unlike unprotected aluminum pigments, SILTALLUX 8640 offers superior UV stability and corrosion resistance due to its inert, fully encapsulated inorganic oxide structure. It maintains color consistency and luster significantly longer than metallic flake alternatives under prolonged outdoor exposure.
Q4: What is the recommended dosage range for optimal visual effect without compromising film integrity?
A: Dosage depends on formulation requirements and desired effect intensity, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to total solids—to achieve balanced orientation, opacity control, and mechanical stability in the cured film.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
