Graphite Powder Silver, PBk 10

Natural graphite undergoes grinding, processing via elutriation or flotation, and chemical purification to achieve up to 99% carbon content.

• Chemical description: Natural graphite, CAS No. 999999-99-4 (natural occuring substance); EINECS 310-127-6
• Lightfastness - thinned: 8 (1 is bad, 8 is best)
• Lightfastness - medium: 8 (1 is bad, 8 is best)
• Lightfastness - concentrated: 8 (1 is bad, 8 is best)
• Suitability: Acrylics, Lime / Fresco, Oil, Tempera, Watercolor / Gouache
• Colors: Black, Gray, Silver
• Solubility in water: < 0.001 g/l (20°C)
• Boiling point: 3750°C (sublimation)