Features: - B-Chem Porcelain Etch is a gel containing hydrofluoric acid used to prepare porcelain surfaces for bonding. - It creates micro-roughness to improve adhesion with resin cement or composite. - Suitable for veneers, crowns, bridges, inlays, and porcelain repairs. - Apply for 90 seconds, rinse, then follow with silane for enhanced bonding. Pack contains: - 1 x 5 Gr syringe. - Disposable tips.