EMI Mold Releases are specially formulated to provide high levels of user and environmental safety. They contain no Class I ozone depleting substances. Additionally Mold Releases 74 and 75 do not contain Class II ozone depleting substances. Our Mold Releases contains no chlorinated solvents such as methylene chloride or 1,1,1 trichloroethane. They also contain no CFC propellants or solvents. Additionally, Mold Releases 74 and 75 contain No HCFC.