Mars Black Pigment Classification: Synthetic Inorganic Chemical Description: Synthetic Black Iron Oxide Opacity/Transparency: 1 Lightfastness Rating: I Permanency: Excellent Colour Index Name: PBk 11 Colour Index Number: 77499 Munsell Notation Listing: Hue Black Value 1.00 Chroma 0.7 Pantone Matching System: Process Black Spectrophotometer Readings: N/A Viscosity Range: 18000-22000 CPS PH Range: 8.3-9.0 Gloss Average: 52.79 CIE L*a*b* Values: L*25.47 a*0.51 b*0.16 Tint Strength: 67.81