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Highly reflective aluminum flake pigment with controlled particle size distribution for optimal sparkle and metallic effect.
Surface-treated for excellent compatibility and dispersion stability in solvent-based and high-solids coating systems.
Superior weather resistance and UV stability, maintaining brightness and color integrity under outdoor exposure.
Low oil absorption enabling high loading without compromising viscosity or application performance.
Consistent batch-to-batch reproducibility meeting stringent OEM automotive and industrial coating standards.
Automotive OEM basecoats and clearcoat topcoats requiring premium metallic appearance.
Industrial maintenance coatings for machinery, agricultural equipment, and construction vehicles.
Architectural metal-effect finishes on façades, cladding, and pre-finished steel panels.
Plastic coloring for exterior automotive trim and durable consumer goods housings.
High-performance coil coatings for aluminum and galvanized steel substrates.
| Chemical Type | Aluminum pigment (leafing type) |
| Product Form | Paste in mineral spirits (solvent-based) |
| Appearance | Silvery metallic paste with uniform consistency |
| Primary Applications | Automotive OEM coatings, industrial coatings, architectural finishes |
| Key Features | Controlled flake thickness, optimized aspect ratio, surface-stabilized |
| Storage Conditions | Store in original sealed container at 15–25 °C; avoid freezing and direct sunlight |
| VOC Content | Approx. 450 g/L (as supplied) |
| Shelf Life | 24 months from date of manufacture under recommended storage |
Q1: What is the primary function of SILTALLUX 7680 in coating and ink formulations?
A: SILTALLUX 7680 is a high-performance pearlescent pigment based on synthetic mica coated with titanium dioxide. It delivers strong chromatic shift, excellent brightness, and smooth metallic luster—particularly valued in automotive refinish, premium packaging inks, and decorative coatings where visual impact and lightfastness are critical.
Q2: Is SILTALLUX 7680 suitable for water-based systems?
A: Yes, SILTALLUX 7680 is surface-treated to ensure good compatibility and dispersion stability in both solvent-based and water-based systems. Optimal performance in aqueous media typically requires appropriate dispersants and controlled pH conditions during formulation.
Q3: How does SILTALLUX 7680 compare to conventional aluminum or bronze pigments in terms of weather resistance?
A: Unlike metallic flake pigments, SILTALLUX 7680 is fully inorganic and non-oxidizing. It offers significantly superior UV stability, corrosion resistance, and long-term color retention—making it especially suitable for exterior applications where aluminum pigments may tarnish or degrade over time.
Q4: What are key handling considerations during incorporation into a formulation?
A: To preserve flake integrity and optical performance, avoid high-shear mixing beyond what is necessary for dispersion. Pre-wetting with compatible solvents or resins is recommended, and gentle agitation—such as dissolver blades or low-speed planetary mixers—is preferred over bead milling or ultrasonication unless specifically validated.
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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
