






🛠️ Fix it fast, fix it right—waterproof strength in every drop!
3M Bondo Liquid Hardener is a professional-grade, fast-curing additive designed to chemically activate Bondo fiberglass resin and metal reinforced fillers. With a quick 20-minute cure time and 100% waterproof finish, it delivers durable, seamless repairs for automotive, marine, and home applications. Its low viscosity ensures easy mixing and smooth application, making it the go-to choice for efficient, long-lasting fixes.

| Brand | Bondo |
| Specific Uses For Product | Masonry, Wall Repair |
| Material | Plastic |
| Item Form | Not Aplicable |
| Special Feature | Fast Curing, Waterproof, Durable, Efficient |
| Color | Transparent |
| Item Package Quantity | 1 |
| Package Information | Tube |
| Item Volume | 11 Milliliters |
| Viscosity | Low Viscosity |
| Full Cure Time | 2E+1 Minutes |
| Water Resistance Level | Waterproof |
| UPC | 076308009120 |
| Number of Pieces | 1 |
| Global Trade Identification Number | 00076308009120 |
| Manufacturer | 3M |
| Model | Bondo Liquid Hardener, Use with Fiberglass Resin, 0.37 Fl oz, 1 bottle |
| Item Weight | 0.8 ounces |
| Product Dimensions | 8 x 5 x 1 inches |
| Item model number | 912 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 912 |
| Special Features | Fast Curing, Waterproof, Durable, Efficient |
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