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.
- 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.
Bringing Science to the Art of Auto Body Repair
As a brand of 3M, Bondo is well known among boat manufacturers and collision repair professionals. This hardener — a crucial component for use with Bondo Fiberglass Resin and Bondo® Metal Reinforced Filler — is another way that 3M applies science to life, and helps you restore and maintain the beauty and value of your cars, boats and other possessions in and around the home or shop.