How much hardener do you mix with Bondo?
2. Place the proper amount of Bondo filler and hardener: 50:1. First, place the filler on the mixing board and then place the hardener.
What happens if you use too much hardener in body filler?
Adding too much hardener will result in rapid gelling of the mixture, making it hard to get coverage in time. Too little hardener will increase cure time, but there’s a point where the filler won’t ever harden and you won’t know it until you try to sand.
How long does glass Bondo take to dry?
Let it bond. Once the parts are bonded, leave them undisturbed for at least 10 minutes. To ensure full bond strength, leave them overnight.
Is Bondo glass as strong as fiberglass?
This reinforced body filler contains short, interlocking fiberglass strands, making it twice as strong as standard body filler and much easier to use during vertical repairs. If your repair needs even more strength, it also works well with traditional fiberglass repair materials and tools.
How long does it take Bondo glass to dry?
It also features a fast-drying formula that is sandable in as little as 20 minutes, saving you time on auto body repairs….Bringing Science to the Art of Auto Body Repair.
| Attribute Name | Value |
|---|---|
| Color Family | Green |
| Consistency | Paste |
| Container Size (Imperial) | 1 Quart, 22 Ounce |
How long does it take for Bondo glass to cure?
When used according to the manufacturer’s recommendations, Bondo takes 10 to 15 minutes to dry enough to form a sandable surface. After 45 minutes it’s cured enough to be painted.
Will Bondo harden without enough hardener?
Without it the bondo won’t get hard. Put a small piece of bondo on a board and run a line of hardener from end to end. It will take about five minutes to mix it up and apply it. If it starts tacking up, stop applying it or you’ll mess it up.
Can you add too much hardener to Bondo?
If you add too much hardener, the mixture will gel too quickly. If you add too little, it increases the amount of time for it to cure, and if you don’t add enough it will never cure. If you add 1 line of hardener across the top of the dollop of Bondo, it takes about 15 minutes to dry after applying.
Do I need to add hardener to Bondo?
You need to be sure to add the right amount of hardener to your Bondo; adding more than enough will cause your body filler to dry faster and give you less time for shaping and laying your filler on your panels.
Will fillers set without hardener?
No, the wood filler does not harden without adding a hardener. The hardening process happens due to a chemical reaction between the wood filler and the hardener which is also known as the catalyst. The hardener/catalyst mediates the chemical reaction to harden the wood filler quickly.
Does Bondo glass crack?
You can make it look good for a little while but eventually it will crack out. Bondo glass and Kitty hair work well on SMC panels, not on urethane parts. Regular Bondo will fix minor imperfections, but major ones need the urethane repair kits. All of these products are available at parts stores such as Autozone.
Can you put too much hardener in Bondo?
How much body filler is too much?
Repairers should apply “no more than a quarter-inch max,” Miller said. This guidance didn’t mean each layer of filler could be a quarter-inch; rather, no part of the final product should exceed 0.25 inches of filler, according to Miller.
Can you put Bondo over fiberglass?
Yes,you can fiberglass over bondo,rough the bondo up with 80 grit for a better bond,use a grooved roller to remove the air bubbles. DO NOT use Bondo on a boat, it will swell up when wet.
How to apply fiberglass Bondo?
Body shapers
Do you put Bondo on bare metal or primer?
Can you apply body filler or bondo over primer filler? Yes. You CAN apply over sanded 2k primer, or bare metal. Be sure to have the area sanded with at least a 150 so the filler has some TOOTH to grab to.
How to use Bondo glass?
– 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. – Stage 4 — Finish.