Dental Super Etch 37% Acid Etchant Gel - Quick Etching in 15-20 sec, Blue Tint for Precise PlacementDental Super Etch 37% Acid Etchant Gel for Enamel & Dentin, the ultimate solution for precise etching. With a high concentration of 37% phosphoric acid, this gel provides optimal etching in just 15 20 seconds, saving you valuable time in your dental procedures. One of the key features of our etchant gel is its ability to perform selective enamel etching. With precise placement, you can target specific areas, ensuring efficient and effective treatment.