- Find a flat surface and a disposable tool for mixing. ...
- Mix only as much Bondo and hardener as you can use in 10 minutes. Bondo hardens quickly, so it’s important to mix it in small, usable amounts.
- Fold together the Bondo and hardener. Use the spreader or popsicle stick to scrape and press the two ingredients together until they’re combined and you can’t see any streaks.
- Use a plastic or metal spreader to apply thin coats of filler. ...
- Wait 3-10 minutes for the Bondo to fully cure. Since you’ll be sanding and applying pressure after it dries, make sure the filler has time to fully harden and ...
How do you mix Bondo?
Experiment to get the right Bondo mixture. Use an ice cream novelty stick or a plastic spreader to quickly mix the two substances together. Do not whip them, but rather fold them to avoid introducing air bubbles. Use hardener with dye in it so you can see when the mixture is mixed evenly.
How do you mix Bondo to fix a hole in concrete?
Open the can and mix the Bondo with a stir stick if there is a layer of liquid on top. Use the stir stick to lift a golf ball-sized dollop of filler out of the can and reseal the can. Mix a larger amount of Bondo and hardener if the area you need to patch is larger.
Can you mix Bondo with plastic sheets?
Alternatively, you can mix it on particle board or buy an inexpensive pad of disposable plastic sheets to mix the Bondo. Open the can and mix the Bondo with a stir stick if there is a layer of liquid on top. Use the stir stick to lift a golf ball-sized dollop of filler out of the can and reseal the can.
How do you fill dings in metal with Bondo?
Load up your spreader with some Bondo mixture and scrape an 1⁄8 inch (0.32 cm) layer over the damaged area. Press down with the spreader to push the filler into the metal. Keep applying thin coats until all the dings are filled, up to a total thickness of 1⁄4 inch (0.64 cm).
What is the ratio of Bondo to hardener?
Place the proper amount of Bondo filler and hardener: 50:1. First, place the filler on the mixing board and then place the hardener. 3. Mix with a plastic or metal Filler Spreader.
How do you mix Bondo fiberglass resin?
0:502:42How to mix Fiberglass Resin & Clean Tools - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt's just a job of mixing. It. Any sort of clean wood or plastic will do as long as it has flat sizeMoreIt's just a job of mixing. It. Any sort of clean wood or plastic will do as long as it has flat size for a thorough. And complete mix.
What is the ratio of fiberglass resin to hardener?
A 2 oz. tube of liquid hardener (MEK Peroxide) is sufficient to harden the entire contents of a gallon container. Add 14 drops of liquid hardener per 1 oz. of Fiberglass Resin (or for ¼ can of Fiberglass Resin, use ¼ tube of liquid hardener).
What is the best thing to mix Bondo on?
1:4610:05$3 Bondo Mixing Board Tips and Tricks - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd it kind of gets stood up this man mitts back it works good you got to use something that's non-MoreAnd it kind of gets stood up this man mitts back it works good you got to use something that's non-absorbent or else that leaches out the hardener cardboard. For example as well a lot of people used
Can you use fiberglass resin without hardener?
Well no, it won't harden. It might eventually go dry and crusty, but that depends on the resin, and it would be super brittle in that state anyway.
Can I use Bondo without 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.
How much resin and hardener do I mix?
Mix the resin VOLUME - To achieve the correct 2:1 mix ratio by volume, simply measure out 2-parts resin to 1 part hardener before mixing the components. WEIGHT - The exact weight measurement for these ratios is slightly different from the volume ratio due to resin and hardener density.
What happens if you put too much hardener in resin?
Adding too much of either resin or hardener will alter the chemical reaction and the mixture will not cure properly.
How do you measure resin and hardener in ML?
0:002:22How to measure and mix epoxy resin - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd crafting projects start by gathering a couple of graduated mixing cups. These are essential forMoreAnd crafting projects start by gathering a couple of graduated mixing cups. These are essential for making sure you get accurate measurements on your resin and hardener.
How do you mix Bondo filler and hardener?
2:454:45How To Mix Bondo and Body Filler 101 - YouTubeYouTubeStart of suggested clipEnd of suggested clipOn it my dad says for every golf ball-sized of bondo you want to put about five to eight drops ofMoreOn it my dad says for every golf ball-sized of bondo you want to put about five to eight drops of your hardener.
What happens if you put 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 Bondo take to harden?
Apply additional layers until desired thickness is reached. 6. Allow the putty to dry 15 minutes at 77 degrees F (25 degrees C). In cooler climates, putty may take 20-30 minutes to dry.
How to mix bondo?
Bondo hardens quickly, so it’s important to mix it in small, usable amounts. Start with a golf-ball sized amount of filler and mix up more as needed . The ratio is also crucial—too much hardener will cause the mixture to gel too quickly, and too little may keep the mixture from hardening at all.
How long does it take to mix bondo?
Only mix as much as you can use in 10 minutes, since Bondo hardens quickly and you don’t want to waste it. Once you’ve mixed the Bondo and hardener, apply the mixture in thin coats about 1/8 inch thick and press it down into the cracks. After 10 minutes, use 36-grit sandpaper to smoothen out the surface.
What is bondo used for?
Learn more... Bondo is an automotive body filler, often used for car and household repairs. You can use Bondo to fill in small dings and smooth out warped panels in a car body. Before you begin applying Bondo, make sure to sand down the paint, replace any rusted metal, and mask off any areas that don’t need filler.
How to apply bondo?
To apply Bondo, mix an inch diameter of the filler per inch-line of hardener. For example, use a 3-inch diameter amount of Bondo for a 3-inch line of hardener. Use a spreader or popsicle stick to mix the 2 ingredients together until there are no streaks left.
How long does it take for bondo to cure?
If you applied masking tape beforehand, let the filler sit for several minutes before gently removing the tape. Wait 3-10 minutes for the Bondo to fully cure. Since you’ll be sanding and applying pressure after it dries, make sure the filler has time to fully harden and cure.
How to smooth out a sanded sandpaper?
1. Level the filler with 36-grit sandpaper. Start sanding with a heavier grit to even out the dried filler quickly. Sand in alternating directions until the filler-covered section is level and smooth.
What to use for mixing?
For a mixing tool, use a clean plastic spreader or something disposable, like a popsicle stick. It’s best not to use screwdrivers or dirty tools for mixing because they are much harder to clean and could add grease or oil into the mixture. ...
Does epoxy stick to metal?
In other words, it doesn't stick to the metal as tight as filler. Filler sticks better, and with fully welded seams etc, there is no need for either glass based products or a filler/resin mix. Click to expand... That is why I usually spray epoxy on bare metal first.
Can bondo body filler be used with paint?
The company chemists that develop primers and body fillers, have already done the work to make good products. Use bondo/body filler for it's intended purpose and hi build primers for their intended purpose, and make sure they will be compatible with your paint/topcoat.
