Phthalo Blue Indian Ink – Phthalocyanine Blue (PB15:1)
**Fast-drying, water-resistant, and lightfast**, this brilliant **Phthalo Blue Indian Ink** is made with professional-grade **Copper Phthalocyanine Blue pigment (PB15:1)** in a high-quality **shellac-based binder**.
Ideal for use with **dip pens**, **brushes**, or **airbrushes**, this rich, cool blue is a favorite among illustrators, artists, calligraphers, and designers. *Not suitable for use in fountain pens.*
This ink is easily adjustable—dilute it with distilled water to reduce its strength or increase its transparency. Avoid tap water, which can cause pigment separation from the binder.
---Product Details
| Pigment: | Copper Phthalocyanine Blue |
| C.I. Number: | PB15:1 |
| Series: | 1 |
| Lightfastness: | AAA (Excellent) |
| Opacity: | Semi-Transparent |
| Vehicle: | Shellac |