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. Our hardener is also easy to mix.
3M 00912, Bondo Liquid Hardener, .37 oz, 7100152666
This item has been Discontinued.
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.

3M 35827, Hookit Dust Extraction Flexible Sanding Block, 273 mm x 67 mm, 7100256623
Dynabrade 59339 Vacuum Cuff, 1", w/Groove
3M 26054, PPS Series 2.0 Adapter, Type S18, 3/8 Female, 18 Thread NPS,
4 per case
3M 76622, Roloc Disc 777F, 36 YF-weight, TR, 1 in, Die R100N, 7000045618
3M 05612, Polyurethane Glass Adhesive Sealant 590, Black, 600 mL Sausage Pack, 7000121536, 12/Case
3M 21543, Scotch-Brite Roloc Clean and Strip XT Pro Extra Cut Disc, TR, 2 in x NH, A XCS, 7100179815, 60/box
3M 22397, Roloc Disc 361F, 60 YF-weight, TR, 1-1/2 in x NH, 7000045097
3M 06847, Overspray Masking Liquid Dry, 1 Gallon, 7010309222 
