Kerr OptiBond Gel Etchant's distinctive purple-colored 37.5% phosphoric acid gel is designed for maximum etching efficiency. Its perfect viscosity allows the material to stay where it is placed yet can be rinsed off easily.
Features & Benefits:
- Perfect viscosity - stays where you place it
- No separation - delivery is always clean and easy
- Vibrant purple color - highly visible
- Rinses clean with minimum effort, easy to use