Etchant for acid-etch technique. Available as a fluid (36.1 % phosphoric acid) or gel (35 % phosphoric acid). Blue colouring for visual monitoring during application. Stable, non-dripping gel. 60 ml syringe for keeping material in stock. Etching liquid / gel for use in the enamel etching or in the total-etch technique. Contains 5pcs 2ml syringes and accessories.