Bondo 0.37 Oz. Liquid Hardener

Liquid Hardener mixes with Bondo Extreme Filler or Bondo Liquid Resin for Fiberglass to create high-quality, long-lasting repairs. When hardener is mixed with Bondo Extreme or Bondo Liquid Resin for Fiberglass, a chemical reaction occurs to create a mixture that will deliver a strong, lasting repair. Our hardener is easy-to-mix and must be used with Bondo Extreme Filler - not designed to use alone.

• Liquid hardener designed for use with Bondo fiberglass resin and Bondo metal re-inforced filler
• Forms chemical reaction with polyester fiberglass resin or filler for fast, permanent cure
• Helps create 100% waterproof repairs
• Great for repairing tubs, showers, sinks, pools, hot tubs, boats, and more
• Must be used with Bondo Extreme Filler or Bondo Liquid Resin for Fiberglass, cannot be used by itself
• Mixes easily to produce a consistent chemical reaction for fast curing
• Packaged in easy-to-use squeeze tube
• Mixture cures in 20 minutes for Bondo Extreme Filler, and 2 hours for Bondo Liquid Resin for Fiberglass
• Interior or exterior use, Fill stage of 3M Body Repair System
• Not to be used with Bondo Short Strand Fiberglass Reinforced Filler or Bondo Long Strand Fiberglass Reinforced Filler