Mixing and Applying Bondo
- 1 Find a flat surface and a disposable tool for mixing. ...
- 2 Mix only as much Bondo and hardener as you can use in 10 minutes. ...
- 3 Fold together the Bondo and hardener. ...
- 4 Use a plastic or metal spreader to apply thin coats of filler. ...
- 5 Wait 3-10 minutes for the Bondo to fully cure. ...
How do you make Bondo step by step?
Steps Download Article 1 Cut a thick piece of cardboard about 6 by 6 inches (15.24 cm by 15.24 cm). ... 2 Open the can and mix the Bondo with a stir stick if there is a layer of liquid on top. ... 3 Add 1 line of hardener--also known as a catalyst or fixing agent--by squeezing it out of the tube across the top of the Bondo filler. More items...
Can you mix Bondo and hardener together?
A reaction occurs when Bondo filler and hardener are mixed together, allowing the product to chemically bond to the surface you are repairing. Bondo Fiberglass Resin is the same high-strength polyester resin that is used to build most high-performance watercraft.
How do you make Bondo paper molds?
Cut a thick piece of cardboard about 6 by 6 inches (15.24 cm by 15.24 cm). Alternatively, you can mix it on particle board or buy an inexpensive pad of disposable plastic sheets to mix the Bondo. [1] Open the can and mix the Bondo with a stir stick if there is a layer of liquid on top.
How do I thin Bondo?
How Do I Thin Bondo? The best product you should use to thin Bondo is polyester resin. It makes Bondo softer and ensures an easier spread. Polyester resin is the best choice out of all the ingredients DIY detailers recommend. However, remember when we said that Bondo wasn’t initially meant to be mixed with other products?
How much hardener do you need per ounce on Bondo resin?
A: From Bondo site (bondo.com/bondo-fiberglass-resin-401.html) - "When mixing small amounts use 8 to 10 drops of hardener per ounce of resin or ¼ teaspoon of hardener for 6 tablespoons of resin. Note: use push pin or thumbtack to open the hardener tube working life of mixed resin is approximately 8 to 12 minutes.
How do you mix Bondo fiberglass resin?
0:243:23You want to mix it usually 30 to 45 seconds is what you're going to mix it'll make sure is a littleMoreYou want to mix it usually 30 to 45 seconds is what you're going to mix it'll make sure is a little quick tip here scrape the edges of your container.
What is the mixing ratio for Bondo?
0:001:45The recommended ratio is 2%. So that's two part catalyst to 100 parts filler.MoreThe recommended ratio is 2%. So that's two part catalyst to 100 parts filler.
Does Bondo fiberglass resin need hardener?
This hardener — a crucial component for use with Bondo Fiberglass Resin and Bondo® Metal Reinforced Filler — is another way that 3M applies science to life, and helps you restore and maintain the beauty and value of your cars, boats and other possessions in and around the home or shop.
How much resin and hardener do I mix?
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.
What happens if you don't put enough hardener in resin?
Too much or too little hardener will affect the cure time and thoroughness of the cure.
What happens if you put too much hardener in 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.
What happens if you put too much hardener in body filler?
Too much hardener or improper mixing and spreading can cause pinholes. The pinholes may simply be air bubbles that were whipped into the filler when stirring the new can. Never put body filler on a paint shaker because violent agitation can cause air bubbles.
How do you mix a large batch of Bondo?
0:331:17And scrape the filler to mix it don't stir it in a small circular motion that adds air which showsMoreAnd scrape the filler to mix it don't stir it in a small circular motion that adds air which shows up as pinholes in your repair. Mix. Until the filler is all the same color with no streaks.
What is the mixing ratio for fiberglass resin?
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).
Can I use resin without hardener?
On their own, epoxy resins are very stable fluids with relatively long shelf lives. It is only when mixed with an epoxy hardener that they can cure properly. If applied onto a floor without the hardener, the resin would remain a near liquid indefinitely and could not transform into a durable flooring system.
Is there a substitute for Bondo hardener?
In case you didn't buy hardener or you have run out of hardener, you may be wondering – are there some substitutes to Bondo hardener? Unfortunately, the answer is no. The hardeners made for Bondo are the only products that can help Bondo dry and cure on a surface.
What is the mixing ratio for Fibreglass resin?
approximately 2.5 : 1The ratio of resin : fibreglass is approximately 2.5 : 1 i.e 1 kg of fibreglass requires approx. 2.5kgs of resin.
How much hardener do you put in fiberglass resin?
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).
How do you mix fiberglass body fillers?
0:271:17And scrape the filler to mix it don't stir it in a small circular motion that adds air which showsMoreAnd scrape the filler to mix it don't stir it in a small circular motion that adds air which shows up as pinholes in your repair. Mix. Until the filler is all the same color with no streaks.
What is the mixing ratio for body filler to hardener?
A mixing ratio of 50:1 (50 parts filler to 1 part hardener) must be strictly used. 6. Mix all the filler and hardener for approximately 2 minutes, by incorporating all the hardener into the filler so that the mixed colour is uniform. BE SURE NOT TO MIX IN AIR.
How to fill dings in metal?
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 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 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.
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 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 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 is bondo resin?
Bondo Fiberglass Resin is the same high-strength polyester resin that is used to build most high-performance watercraft. Bondo Bondo-Hair Filler eliminates the need for fiberglass cloth, and Bondo Fiberglass Resin Jelly is a non-drip formula for vertical surfaces.
What is Bondo filler?
The Bondo brand offers a complete line of fillers and accessories - putties and glazes, undercoatings, and tools - for many applications including automotive, household, marine, hobby, and many others. The products can be used to repair and restore aluminum, wood, concrete, brick, metal, fiberglass, stone and sheetrock.
How long does it take to sand bondo resin?
Because they do not shrink, they are excellent sealers. Bondo Fiberglass Resin is sandable in less than 2 hours, is compatible with all paints, and creates a strong and long-lasting bond.
What is bondo all purpose?
Bondo All-Purpose Putty is a professional strength, versatile filler for repairing interior and exterior surfaces around the home. This fast-curing 2-part filler allows you to make high-quality, long-lasting repairs to metal, masonry, concrete, painted wood, drywall and more. Bondo All-Purpose Putty is slightly thicker than other formulations, excellent for repairing vertical surfaces such as doors, walls and siding.
How long has Bondo been in business?
Bondo has been engineering and manufacturing professional products for the traffic control industry for over 37 years. During this time Bondo has remained committed to understanding customers' needs and then developing products that meet and exceed those needs.
How to close a modal window?
This is a modal window. This modal can be closed by pressing the Escape key or activating the close button.
Does Bondo Ultimate work on galvanized metal?
Any galvanized metal repair requires Bondo Ultimate. Not only does it adhere to galvanized metals, but it is easy to mix, easy to apply, and provides for clog-free sanding.
How Do I Thin Bondo?
The best product you should use to thin Bondo is polyester resin. It makes Bondo softer and ensures an easier spread.
What about Using Less Hardener?
Not all painting projects are the same. There are times when you may need to thin Bondo to get a longer working time.
What about Plastik Honey?
If you have done some research on thinning Bondo, then you must have come across the product known as Plastik Honey. This is a product made by Evercoat, and its role is to thin Bondo.
Can Thinner Prevent Bondo from Drying Up So Fast?
Thinning Bondo has no relation to how long Bondo takes to cure.
Does Thinning Bondo Make It Easier to Apply?
When you thin Bondo, it becomes less gooey. As a result, you can spread it much easier on surfaces. Bondo, when it’s in the original form, it may be a bit thick. But it’s still easily applicable. You may be interested in a thinner finish.
Does Heating Bondo Make It Thinner?
We came across a post on a particular forum that claims heat will thin Bondo. As odd as this may sound, heating Bondo can help thin it.
Is It Worth Thinning Bondo?
Body filler is quite affordable. Therefore, there is no reason you may want to thin Bondo that has dried in a can unless you are miles away from stores.
