Brush-On Separating Film, 5 mL Bottle. 'Anti-bonding agent', Water-Soluble. Brush this polymer emulsion onto surfaces that you don't want to bond to (pontics, crown exterior, gingiva, proximal teeth). Dries quickly. Forms a flexible plastic film - just 20 microns thick. Blue color lets you see what you've covered. After the cement has cured, the excess adhesive will just snap off. 5 ml bottle