Clean Strip™ J1EF is an economical V.O.C. compliant, Earth Friendly® concrete form release agent. Clean Strip J1EF works to ensure clean, positive release on plywood, fiberglass, aluminum, steel, urethane and other concrete forming materials and form liners. This product acts as a barrier to the adhesion of concrete while minimizing surface dusting. Properly applied, Clean Strip J1EF will not stain concrete or interfere with the adhesion of coatings.