Submitted by keithmelville Tue, 2004-04-13 16:48
SURFACE AGENT (ABBREVIATED S.A.)A styrene and wax solution used to cause polyester resin to cure tack free. Must be added to a non-waxed resin to enable sanding. SA allows the surface of polyesters to cure. It limits adhesion of another coat of resin if the first is thoroughly cured. It may be removed by sanding.