- Ventura Etching Gel. 37 % orthophosphoric acid solution. Features & benefits: - Its color facilitates a perfect control of the process. - Gel with ideal viscosity. - Highly thixotropic. - Safe and practical dispensing system. - Very fine bendable needles. Pack Contains: - Ventura etching gel 12 ml (4 x 3 ml). - 12 Tips. **For further product information, please contact Chat Support**