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Cobalt Blue

Cobalt Blue (PB28 PB36)
  • Product Code
  • Masstone
  • Tint (1:3)
  • Color Index Name
  • Pigment Chemical
  • Mean Particle Size
  • Oil Absorption(%)
  • PH
  • Heat Resistance
  • Blue-2501K
  •  
  •  
  • PB28 77346
  • Co-Al
  • ~1.0
  • 25-40
  • 7-10
  • >800
  • Blue-2503K
  •  
  •  
  • PB28 77346
  • Co-Al
  • ~0.6
  • 25-40
  • 7-10
  • >800
  • Blue-2511K
  •  
  •  
  • PB36 77343
  • Co-Al-Cr
  • ~0.7
  • 15-25
  • 7-10
  • >800

 

MAIN CHARACTERISTICS

1. Pigment Blue 28 (C.I. 77346) / Pigment Blue 36 (C.I. 77343)
2. Spinel structure
3. Reddish shade cobalt blue / Greenish shade cobalt blue
4. Ease of dispersion
5. Excellent dimensional stability
6. NIR reflectance (cool pigments)

7. Light fastness 8(1-8)
8. Weather fastness 5(1-5)
9. Acid fastness 5
10. Alkali fastness 5
11. Solvent fastness 5

Cobalt Blue Applications

1. Suitable for all indoor and outdoor applications;
2. Recommended for combinations with high performance organic pigments in opaque formulations to achieve improved weather resistance;
3. Recommended for applications requiring excellent chemical and weathering resistance;
4. 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; Engineering plastics; Powder Coatings; Water Based Coatings; Solvent Based Coatings; Printing Inks; Construction Materials.

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