ViscoStat hemostatic is a 20% ferric sulfate equivalent solution with inert binding agents in a viscous, aqueous vehicle. It has a pH of ~1.0 and contains patented, fumed silica to limit the acidic activity, making it kind to hard and soft tissue.

• Causes profound hemostasis
• Stops bleeding in seconds, saving chair time
• Provides unsurpassed kindness to hard and soft tissues
• Eliminates sulcular fluid contamination for optimal bonding
• Decreases costly impression remakes

https://www.ultradent.com/products/categories/retraction/hemostatics/viscostat