- Denu etch-37 etching material is a semi-gel type made of etching agent with phosphoric acid. - Denu etch-37 etching material has an optimal viscosity for easy, precise, and controlled placement of bonding composites, sealants, or adhesives. - This Material provides excellent etching depth of dentin and enamel and has perfect remove properties and no debris left after etching. Contains: - 5 syringes x 3ml each, disposable tips. **For further product information, please contact Chat Support**