Blue Etch Flow Package1 x 10ml Syringe Blue Etch Flow1 x Transfer adaptor 1 x Delivery Syringe2 x Delivery Tips Composition and FormulationBlue Etch contains 36% o-phosphoric acid as the active etchant ingredient, mixed in a gel base with a blue dye for visual control during application Its thixotropic gel consistency means it flows when applied but coagulates immediately after placement, preventing run-off along narrow enamel edges and ensuring targeted etching Indications and Usage- Etching enamel and dentin before composite fillings or sealants- Fissure and cavity preparation for improved adhesion- Cementing glass fibre crowns and root inlays- Pre-treatment for light-curing or chemically cured liners and orthodontic appliances