Description Caviact is a blue tinted viscous gel of 87% phosphoric acid and 2% Benzalkonium chloride-an effective antibacterial compound for etching tooth enamel & dentine, cleaning porcelain, metal or composite surfaces prior to the bonding of any composites, sealants or bonding adhesives. Composition: Ortho Phosphoric Acid, Methylene Blue Dye, Benzalkonium Chloride, Purified Water and Thickening agent. Packing: 1 syr x 5 ml Syringe Pack, 5 applicator tips. Shelf Life: 3 years from the date of Manufacturing