Surfacing Wax (Modifier-C)
Additive for Polyester Resins and Gelcoats used to allow an easier sanding finish.
All of our polyester resins and gelcoats come un-waxed.
Used normally at a ratio of 2oz Surfacing Wax to 1 Gallon of Resin/Gelcoat.

Surfacing Wax MSDS