Bondo Liquid Hardener mixes with Fiberglass Resin and Bondo Metal Reinforced Filler to create high-quality, long-lasting repairs. When hardener is mixed with product, a chemical reaction occurs to create a mixture that will deliver a strong, lasting repair.
Chemically Activate the Hardening Process
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
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Lasting Repairs that Stand the Test of Time
This hardener is mixed with polyester fiberglass resins to create extremely strong, durable and waterproof repairs. Once mixed, the fiberglass resin will cure in approximately 2 hours. Use this product for interior and exterior automotive and home projects.
Formulated to Strict Purity Standards for Quality Results
Our liquid hardener is formulated and packaged under temperature-controlled conditions to ensure freshness and maximum performance. Mixing the liquid hardener in the Bondo® polyester fiberglass resin Bondo® polyester fiberglass resin, other resins and Bondo® Metal Reinforced Filler is an easy task that takes little time and effort.
Use During the Fill Stage of the 3M™ Body Repair System
Even a small repair can seem complex at first. So 3M's Body Repair System simplifies the entire automotive body repair process by dividing it into four stages:
- Stage 1 — Prepare. This stage includes pulling dents, removal of paint and rust and efficient, effective masking of the area.
- Stage 2 — Fill. This stage involves patching holes with reinforced filler and smoothing and shaping filler before painting.
- Stage 3 — Paint. This stage includes painting the area and blending and smoothing primer and paint.
- Stage 4 — Finish. The final stage for showroom-grade results: removing small defects, sealing and polishing clear coats and other painted surfaces.
3M supplies premium products such as abrasives, tapes, body fillers and tools for every stage. This system helps you work easily, efficiently and successfully across the entire body repair process.