Bondo recommends using a mixing ratio of hardener of 50:1. In other words, add 5 to 8 drops to a golf ball-sized amount of putty.
Bondo Body Filler & Cream Hardener, 1 lb 12 oz / 0.75 oz
3M Bondo Professional Fast Dry Filler, 31581, 1 Quart (SANDABLE in 15 – Parts Universe
How To Mix Body Filler
How To Mix Body Filler
Bondo Mixing Ratio For The Best Result: Our Advice
Bondo 262 C Body Filler, 1 qt Can, Paste, Pungent Organic
Bondo 101 - Basic For Working With Plastic Body Filler
Pack of (2) - 14-1/2 X 10 Plastic Mixing pallete for mixing Bondo, Glazes and Putty For Artists it is a Nonstick plastic palette surface that allows
Custom Shop Plastic 14-1/2 x 10 Body Filler Mixing Board/Pallete - (Pack of 2) Also Useful as an Artists Pallete
Bondo Lightweight 28-oz Color-changing, Heavy Duty Interior/Exterior Gray Body Filler in the Patching & Spackling Compound department at
Technical - Body Filler Basics
Bondo/filler experimental mixing problems