CPC Blue Pigment

🔹 Basic Information

Property Details
Full Name Copper Phthalocyanine
Common Name CPC Blue Pigment
C.I. Name Pigment Blue 15
C.I. Number 74160
CAS Number 147-14-8
Appearance Bright blue powder
Chemical Class Phthalocyanine
Heat Stability High, up to 300°C (varies by type)
Lightfastness Excellent
Solvent Resistance Very good

🔹 Types of CPC Blue

Variant Crystal Form Shade Description
PB 15:0 Alpha Reddish Blue General purpose, moderate dispersion
PB 15:1 Alpha Reddish Blue Better flow properties for inks
PB 15:3 Beta Greenish Blue High stability, excellent for plastics/inks
PB 15:4 Beta Greenish Blue Cleaner tone, good transparency, coatings use
Category:

🔹 Key Features

  • Bright, clean blue shade

  • High color strength and dispersibility

  • Excellent weather, light, and chemical resistance

  • Non-toxic and environmentally friendly

  • Low oil absorption


🔹 Common Applications

Industry Uses
Paints & Coatings Decorative, industrial & automotive paints
Plastics PVC, PP, PE, ABS, PET, etc.
Printing Inks Gravure, offset, flexographic inks
Textiles Pigment printing on fabrics
Rubber & Leather Coloring agent
Detergents & Soaps Colorant in cosmetics, soaps

🔹 CPC Blue vs. Alpha Blue vs. Beta Blue

  • Alpha Blue (PB 15:0, 15:1): Redder shade, easier to disperse, used in inks.

  • Beta Blue (PB 15:3, 15:4): Greener shade, superior weather and heat resistance, widely used in plastics and coatings.

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