Converts polyester laminating resin into sanding hot coat resin for optimal sanding performance
Prevents surface tackiness during curing, allowing smooth sanding after resin sets
Wax blooms to form a protective barrier, blocking oxygen to ensure complete surface cure
Compatible with all polyester laminating resins for versatile use
Improves sanding performance and final surface quality for professional results
Summarized by Shop
Polyester Surfacing Agent is a wax solution dissolved in styrene used to convert polyester laminating resin into sanding (hot coat) resin. It is added during the final coat stage of surfboard construction to eliminate surface tackiness and allow the resin to fully cure to a sandable finish.
When curing, the paraffin wax rises to the surf