Partall Film 10 is a water alcohol based polyvinyl alcohol PVA mold release agent that forms a barrier between parts and mold surfaces that are still curing green or recently reconditioned molds can be reactive .
Partall Film 10, the original green parting film, is resistant to solvents and styrene yet is water soluble.
Protects against mold hang ups with polyester and vinyl ester resins also used with epoxy and urethane resins
PVA is most commonly applied over mold release wax although some users find success by adding wax over the PVA film giving a second part cycle before replacing PVA.
Partall Film 10 can also be used as a surface cure agent during gel coat repairs locks out moisture in the air that inhibits resin cure .