Bondo® fiberglass resin liquid hardener is designed specifically for use with Bondo® fiberglass resin and Bondo® metal reinforced filler. This hardener is easily mixed with resin or filler, a chemical reaction creates an extremely strong, waterproof repair material. The hardener must be used with a resin or filler for repairing autos, tubs, showers, sinks, pools, hot tubs, boats and more.
- Liquid hardener designed for use with Bondo® fiberglass resin and Bondo® metal reinforced filler
- Forms chemical reaction with polyester fiberglass resin or filler for fast, permanent cure
- Helps create 100% waterproof repairs
- Easy to dispense from tube
- Use during the fill stage of the 3M™ body repair system