Cobalt black pigment

Cobalt Black

Cadello cobalt black pigments deliver deep neutral black tones with excellent thermal stability and weatherability, suitable for high-performance coatings, and ceramic applications.

Chemical Composition: Co-Fe-Cr Chemical Formula: Co(Fe,Cr)2O4 Colour Index™: Pigment Black 27 CAS Number: 68186-97-0 Crystal Form: Spinel

Application

Cobalt black is mainly used for colouring of heat-resistant coatings, automotive and industrial finishes, engineering plastics, and ceramic glazes where deep black colour and long-term durability are required.

Black thermal coating
Black coated kitchen pot
Black thermal coating
Black coated grill

Technical Data

Model CDL-BK808
Average Particle Size (μm) 1.5
Thermal Tolerance (°C) 1200°C
Light Fastness (level 1–8) 8
Weather Resistance (Grade 1–5) 5
Oil Absorption (g/100g) 10–25
Density (g/cm³) 4.1–5.0
pH Value 6–9
Acid & Alkali Resistance (Grade 1–5) 5
Full Color
Deluted Color (1:4 TiO₂)
Coating
Plastic
Glass Ink
Concrete
Recommendation Not recommended

Customized Solutions

Cadello offers tailored formulation development, performance optimization, and application testing to provide precise, high-performance pigment solutions across plastics, ceramics, glass, and coatings.

Please contact us for more technical data.