Pigment Green 7 (Polychlorinated Phthalocyanine Green)
CAS Number: 1328-53-6
Polychlorinated copper phthalocyanine (Pigment Green 7, PG 7) delivers the highest lightfastness and heat stability of any green pigment, making it the standard green for packaging, industrial, and decorative printing inks. PG 7 provides a clean, brilliant green hue with outstanding resistance to acids, alkalis, solvents, and high-temperature baking processes used in metal decorating inks.
Technical Specifications
| appearance | Brilliant green powder |
| chlorine content (%) | 42–48 |
| heat stability (°C) | ≥250 |
| particle size (d50, µm) | 0.2–1.0 |
| lightfastness (blue-wool) | 8 |
Applications
- Packaging offset and gravure green inks
- Metal decorating inks requiring high heat stability
- Industrial flexo and screen green printing inks
- Outdoor advertising and wide-format print inks
- UV offset and flexo green ink formulations
Key Features
- Highest lightfastness rating (8) for permanent outdoor-grade inks
- Excellent heat stability up to 250 °C for metal decorating processes
- Outstanding chemical resistance to acids, alkalis, and solvents
- Clean, brilliant green hue with high tinting strength
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