3M Dynatron Polyester Fiberglass Resin, 1 Gal

Dynatron™ fiberglass resin is a durable, professional-quality polyester resin for repairing and restoring a range of materials including metal, wood and fiberglass in auto body repair. This resin accepts most auto and marine paints, including gel coats.

• Size: Gallon, includes tube of MEK liquid hardener
• Waterproof and impact resistant
• Great for repairing large rust holes in metal and large fiberglass areas where lamination must be rebuilt.
• Cures to a sandable surface much faster than regular fiberglass resin
• Formulated to use with fiberglass mat, cloth and tape