Bisco, Porcelain Etchant 4% W/Out Barrier Gel, 5G Syringe, (08/01/23)

• Improves adhesive bond between porcelain and cement
• Increases surface area of porcelain, similar to sandblasting but more controlled
• Gel viscosity allows for accurate and controlled placement
• 9.5% is the higher concentration offering a faster etch in only 90 secs

The gel containing 9.5% hydrofluoric acid is mainly used for acid etching porcelain, and the bonding strength between porcelain and composite resin is increased by increasing the surface area of porcelain and improving the chemical properties of porcelain surface.