Bondo Liquid Hardener is a hardening agent designed to work with polyester fiberglass resins and Bondo Metal Reinforced Filler to chemically speed the curing process. The liquid consistency mixes easily and quickly. Our hardener combines the best of ease of use and quality final results.

• • Liquid hardener designed forBondo polyester fiberglass resin and Bondo metal reinforced filler requiring liquid hardener
• • Creates chemical reaction with resin for fast curing
• • Results in a 100% waterproof repair
• • Great for repairing auto bodies and boats
• • Easy mixing produces a better hardener and filler blend
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