Surfboard Glossing Resin
Reichhold Polylite 32737 Polyester Finishing Resin is a premium surfboard gloss coat resin designed to cure tack-free in air, producing a hard, moisture-resistant, high-gloss surface. UV-stabilized and pre-promoted for MEKP cure, it delivers excellent clarity, smooth flow-out, and minimal yellowing for professional surfboard and marine finishing applications.
Reichhold Polylite® 32737 Polyester Surfboard Finishing Resin
Polylite 32737-00 is a professional-grade polyester finishing resin formulated specifically for surfboard gloss coats and marine surfacing applications. Engineered to cure tack-free in air, this resin creates a hard, moisture-resistant, high-gloss surface ideal for surfboards, sailboards, and fiberglass boat refinishing.
Why Builders Choose 32737
- Contains surfacing agent for full tack-free cure
- UV-stabilized to minimize yellowing
- Water-clear transparency after cure
- Long gel time (12–15 minutes at 77°F)
- Low viscosity (375–450 cps) for smooth flow-out
- Pre-promoted for room-temperature MEKP catalyst cure
Technical Specifications
- Total Cure Time: 28–36 minutes
- Barcol Hardness: 40–45
- Heat Distortion Temperature: 158°F
- Tensile Strength: 8,800 psi
- Peak Exotherm: 290–320°F
- Specific Gravity: 1.1 – 1.15
Polylite 32737 cures to a rigid, sandable, and polish-ready finish. Its extended working time allows proper leveling and brush mark removal, making it ideal for final gloss coats over laminated polyester surfboards and fiberglass marine projects.
Applications
- Surfboard gloss coats
- Sailboard finishing
- Marine fiberglass refinishing
- Boat surface repair finishing
Catalyst & Storage
Initiate with approximately 1% MEKP by weight (1 cc per 100 grams of resin), adjusting for temperature conditions. Store in sealed containers below 75°F and away from direct sunlight or ignition sources.
Frequently Asked Questions
What is Polylite 32737 used for?
Polylite 32737 is used primarily as a surfboard glossing resin. It creates a hard, tack-free, high-gloss finish over laminated polyester surfboards and marine fiberglass surfaces.
Does 32737 cure tack-free?
Yes. This resin contains a surfacing agent that allows it to cure tack-free in air, eliminating the need for additional wax additives in most gloss coat applications.
How much MEKP should I use with 32737?
The typical recommendation is approximately 1% MEKP by weight (1 cc per 100 grams of resin), adjusted based on shop temperature and working conditions.
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