The ultimate flame drying mandrel release for all sizes of solid and hollow mandrels. A thin coating can be flame dried completely within seconds. A thicker coating is be placed further out in the flame and dried over a ten to twenty second period. Strong while working the glass, yet easy to release when cool. Dip-n-Go Sludge™ ULTRA replaces Dip-n-Go Sludge™ and is the next steep in the evolution of mandrel releases. After extensive research and development, our testers from around the world agree, this is truly the "Ultimate Mandrel Release".