• In & Out II

In & Out II


Water Soluble Release Agent

SKU: N/A Categories: ,


IN & OUT® II water soluble release agent will aid in releasing concrete or gypsum plaster castings from Smooth-On rubber molds. IN & OUT® II provides a clean, positive release and does not interfere with or affect surface detail and helps minimize air bubbles in finished castings.


  • Will Not Stain / Soften Concrete Surfaces
  • Mix with Water – Economical
  • Will Not Affect Color Pigmenting of Cast Concrete
  • Minimizes “Bug Holes” In Concrete and Air Bubbles in Gypsum Castings
  • Keeps Molds Clean – Does Not Build Up
  • Significantly Extends Mold Life