Colour-Shift Pearl Pigment Purple-to-Green
CAS 1318-74-7
In StockMOQ
1 kg
Lead Time
7–21 days
Packaging
1 kg / 5 kg cartons
Specifications
| Coating | Multi-layer TiO₂ + Fe₂O₃ or SiO₂ |
| Colour Shift | Purple → Green (angle-dependent) |
| Lightfastness | 8 (ISO 105-B02) |
| Base Substrate | Synthetic mica (fluorophlogopite) or natural mica |
| Particle Size D50 | 15–50 µm |
FAQ
Multi-layer coatings on mica (e.g., TiO₂ + Fe₂O₃ + SiO₂) create stacked thin-film interference systems. Different layers reflect at different wavelengths; as viewing angle changes, the dominant interference wavelength shifts, producing the colour-travel effect from purple at face angle to green at flop angle.
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