Concrete & Gypsum Release Agents

In & Out™ II and AquaCon™ by Smooth-On are high-performance release agents for concrete and gypsum castings. They facilitate demolding, preserve fine surface details and support clean, repeatable results.

  • In & Out™ II: A water-soluble release agent for casting concrete and gypsum in rubber molds. It enables clean demolding without loss of detail and helps reduce trapped air and surface imperfections.

Available in Concrete & Gypsum Release Agents
Product Coverage Operating Temperature Range Film Thickness 1 Gallon Weight 5 Gallon Weight 55 Gallon Weight Tote Weight Storage Temperature Mix Ratio Minimum Operating Temperature Pressure For Spray Application Shelf Life Maximum Storage Temperature Dry Time Between Coats Final Coat Dry Time Chemical Composition Flash Point Dry Time First Coat Dry Time Second Coat
AquaCon™ 3200 square feet / 297 square meters per gallon 8°C to 23°C 0.0005 in / 0.013 mm 8.3 lbs / 3.76 kgs 41.6 lbs / 18.87 kgs 458 lbs / 207.75 kgs 2290 lbs / 1038.72 kgs - - - - - - - - - - - -
In & Out™ II - - - - - - - 23°C 4:1 (water to In & Out II) 10°C 172 kPa - - - - - - - -
SuperSeal™ - - - - - - - 23°C - - - Limited 48°C 5 min. 1 h. Contains Naphtha, Petroleum Distillates, Isopropanol - - -
One Step™ - - - - - - - 23°C - - - - - - - - 64°C 15 min. 30 min.
U-10 Mold Solution - - - - - - - - - - - - - - - - - - -
Plaster Seperator - - - - - - - - - - - - - - - - - - -

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