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Complex Inorganic color Pigments
Cobalt Black (PBk 27)

Cobalt Black is an inorganic black pigment primarily composed of cobalt oxide, known for its pure and stable black hue, along with excellent weather resistance, heat resistance, and chemical corrosion resistance. It offers strong tinting strength and opacity, maintaining color stability and durability under various harsh environmental conditions without fading or migrating. Additionally, it possesses strong UV resistance and is non-toxic and environmentally friendly.

Complex Inorganic color Pigments
Typical Properties
Product Code Masstone Tint (1:3) Color Index Name Pigment Chemical Mean Particle Size Oil Absorption (%) PH Heat Resistance
Black 2760K
PBK27/77502 Co-Fe-Cr ~1.6 20-22 6-8 >500
Black 2761K
PBK27/77502 Co-Fe-Cr ~1.2 20-22 6-8 <1200
Main Characteristics
  • Pigment Black 27 (C.I. 77502)
  • Spinel structure
  • Blue phase cobalt black / Red phase cobalt black
  • Ease of dispersion
  • Excellent dimensional stability, Non-bleeding and Non-migratory
  • NIR reflectance (cool pigments)
  • Light fastness 8(1-8)
  • Weather fastness 5(1-5)
  • Acid fastness 5
  • Alkali fastness 5
  • Solvent fastness 5
  • Cement fastness 5
Application Scope
  • Suitable for all indoor and outdoor applications;
  • Recommended for combinations with high performance organic pigments in opaque formulations to achieve improved weather resistance;
  • Recommended for applications requiring excellent chemical and weathering resistance;
  • Suitable for Polymer PVC-P; PVC-U; PUR; LD-PE; HD-PE; PP; PS; SB; SAN; ABS/ASA; PMMA; PC; PA; PETP; CA/CAB; UP; Masterbatch; Engineering plastics; Wood-plastics; Powder Coatings; Water Based Coatings; Solvent Based Coatings; Stoving coatings; Fluorocarbon coatings; Automotive coatings; Camouflage coatings; Printing Inks; Construction materials; Cement; Mortar; Concrete; Roofing granules; Colored sands.
Color Matching
  • ZPIGMENTS provides complete custom color matching services to help our customers develop new colors and finishes to meet specific application standards and/or unique customer needs.
  • ZPIGMENTS works closely with customers to understand their specific requirements to provide customized color solutions.
  • Please contact us: [email protected]/0086-13808410850（Whatsapp Number）

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