- Etching of dental surfaces (dentin and enamel) to improve the adhesion of materials in the direct and indirect restoration, pit and fissure sealing, and the bonding of orthodontic brackets. Characteristics: - Adequate viscosity. - 37% H3PO4. - Presentation form: gel. - Color: blue. Box contains: - 3 syringes x 3gr. **For further product information, please contact Chat Support**