Alpha Blue Pigment

Alpha Blue Pigment

🔵 Basic Information:

  • Chemical Name: Copper Phthalocyanine

  • C.I. Name: Pigment Blue 15 (PB15)

  • Variants:

    • PB15:0 – Alpha Blue (less crystalline, redder tone)

    • PB15:1, PB15:3, PB15:4 – Beta Blue variants (more stable, greener tone)

⚗️ Technical Properties:

Property Alpha Blue Pigment (PB15:0)
Color Shade Red-tinged Blue (Warmer tone)
Lightfastness Excellent
Weather Resistance Very Good
Heat Stability Up to 260°C (varies by grade)
Chemical Resistance Excellent
Oil Absorption Moderate
Category:

🏭 Applications:

  • Paints & Coatings: Industrial, decorative, automotive paints.

  • Plastics: Polyolefins, PVC, polystyrene, etc.

  • Inks: Offset, flexographic, gravure, screen printing.

  • Textiles: Pigment dyeing and printing.

  • Rubber & Detergents: For coloring synthetic materials.

🔬 Differences from Beta Blue:

  • Alpha Blue (PB15:0):

    • More reddish hue

    • Softer, less crystalline

    • Preferred for inks and low-crystallinity systems

  • Beta Blue (PB15:3):

    • Greener, more stable

    • Preferred for plastics and coatings requiring higher weather resistance

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