NIR Reflective Pigment Black (Cool Black)
In StockMOQ
25 kg
Lead Time
7–14 days
Packaging
25 kg bags
Specifications
| Density | 4.8–5.2 g/cm³ |
| Appearance | black powder |
| Color Index | PBk 26 / PBk 28 (manganese chromite spinel) |
| Lightfastness | 8 (ISO 105-B02) |
| Heat Stability | 800°C |
| Oil Absorption | 15–25 g/100g |
| Solar Reflectance Index (SRI) | >10 |
| NIR Reflectance (700–2500 nm) | >25% |
FAQ
Cool black spinel pigments match carbon black's darkness (L* ~20–25) but cost 5–15× more per kg and have lower mass tinting strength. They replace carbon black specifically where solar heat gain reduction is needed (cool roofs, automotive panels), not in applications where cost or conductivity of carbon black is the primary driver.
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