J-B Weld is absolutely impervious to water, gasoline, and just about any other petroleum product or automotive chemical once fully cured. Try our SteelStik or WaterWeld for wet-surface or submerged water or gasoline repairs.
Is it possible to use J-B Weld on a gas tank?
A gas tank repair kit from JB Weld includes an epoxy putty tube, fiberglass cloth, sandpaper, and an applicator. This fix is similar to the SteelStik, but the fiberglass gives some extra strength. This is best used on a tank with several pinhole leaks or for bigger repairs.
Is it true that gasoline dissolves epoxy?
Is it possible to dissolve epoxy with gasoline? The gasoline will not dissolve the epoxy if you use the 2-part liquid epoxy, however it will leak through before the resin entirely hardens.
How can I repair a gas tank leak?
- The first step is to jack up the vehicle.
- Step 2: Locate the Gas Tank Leak or Hole.
- Step 3: Sand the Tank’s Leaky Area.
- Step 4: Wipe Down the Surface
- Step 5: Combine the Epoxy and the water.
- Step 6: Apply the Epoxy and shape it.
- Step 7: Fill the Hole with Epoxy.
- Fill the Tank with Gas in Step 8.
Will Gorilla Glue hold a gas tank together?
Gorilla Adhesive is a polyurethane-based glue, which explains its incredible bonding properties. Because petroleum chemicals can destroy polyurethane-based glues, I strongly encourage you to replace your gasoline pump rather than gluing it all together.
What sort of epoxy can withstand gasoline?
The Loctite Epoxy Weld Bonding Compound is a two-part epoxy resin and hardener combination. When resin and hardener are mixed in equal amounts, they react immediately to form a robust, inflexible, high-strength bond. As an alternative to welding, Loctite Epoxy Weld can be utilized. It can be used to repair, fill, and rebuild all metal and common surfaces as an adhesive. When fully dried, it cures to a metallic gray finish and can be sanded, drilled, machined, or painted. Most shop fluids, including as water, diesel fuel, gasoline, antifreeze, hydraulic fluid, engine oil, and transmission fluids, are resistant to Loctite Epoxy Weld. Loctite Epoxy Weld Bonding Compound is meant to bond metals such as iron, steel, aluminum, brass, bronze, copper, and pewter together. It’s also possible to bond to wood. Machines, appliances, tools, lawnmowers, automobile components, pipes, and imbedding bolts and screws into metal are all examples of applications.
Is Bondo resistant to gas?
Now that you have a better understanding of plastic body filler, you can begin using it properly. However, there are a few things you should know before using body filler:
Thickness Matters
Bondo has no minimum thickness, however it does have a maximum thickness. Applying body filler to anything thicker than a quarter is not a good idea. That isn’t to say it can’t be done; it just means the fix won’t last as long. The infill will eventually shrink and break, or even burst off! The basic rule is that if the depression is deeper than 1/8 inch, you should start with metal work. Remember that a nice paint job is only as good as its base. While troweling on the filler may appear to be the simple solution, that slab of filler may decide to slide off at any time (we’ve seen it happen).
Prepare The Foundation
Before you apply any body filler, make sure the area you’re working with is adequately prepped. If you apply Bondo to a smooth painted surface, it will not adhere well. After removing the paint to the bare metal, the filler should be applied. A 36-grit to 180-grit surface is perfect for applying body filler because it provides a solid rough surface for the filler to grasp.
Not For Every Location
Body filler should not be used on full gas tanks or anywhere else that gets hot. Bondo is resistant to fuel once it has been cured. If you’re smoothing out a gas tank, that’s wonderful; if you’re trying to repair a rusted out gas tank, this won’t cut it. Bondo should not be confused with JB Weld; the two are not interchangeable.
It Won’t Magically Fix Rust
Rust repairs should not be done with body filler. You can’t expect Bondo to stop rust or even stick to it if you spread it on top of it. You must first remove any rust scale from the metal before attempting rust repairs. If the metal has holes, it’s far preferable to take them all out, replace them with new metal, and then work the body filler in from there. Any rust left behind the filler will continue to grow, so don’t be shocked if a minor repair becomes a major issue later. If you must use body filler, remove any rust scale, add a backup screen to cover the holes from the back side, then use Bondo Bondo-Glass over the rusted area, sand, and finish with ordinary Bondo body filler for a stronger repair.
Pay Attention To The Mixing Ratio
It’s all about the combination. The majority of this comes from experience, but this suggestion can help you get close to the ideal mix: employ a 1:1 ratio of filler diameter to hardener length. At room temperature, a 4-inch raw filler ribbon requires a 4-inch ribbon of hardener. Use somewhat less if it’s hotter (above 85 degrees), and slightly more if it’s cooler (below 65 degrees). You used too much filler if it hardened too quickly; if it took too long, you didn’t use enough. You simply want to combine what you’ll be able to utilize in 10 minutes. When properly mixed, body filler thickens in 10-15 minutes and cures in 30 minutes. It’s a good idea to buy a little extra plastic body filler than your project requires until you get the hang of mixing so you can try again without having to go back to the store.
While combining the body filler, do not whip it. The filler will have a lot of bubbles in it, which means there will be more pinholes to correct later. Wipe the filler across itself in a steady and deliberate figure-X manner.
Application Technique Is Key
Plastic or metal spreaders can be used; the choice is entirely up to you. Metal spreaders are more durable and have a more defined edge, but plastic spreaders are less expensive and may be custom cut to fit any form. Apply the filler to the panel, making sure to get it into all of the cracks. Wipe the filler as smooth and level as possible, but leave enough above the surface level to sand the repair smooth. It’s preferable to have a bit too much filler and sand it off than to have to make another batch for a low location.
Get Ready To Sand…A Lot
When it comes to sanding filler, there are two schools of thinking. Wait until the filler has fully dried, typically 20-30 minutes, before completing general bodywork, such as leveling wavy panels or correcting small dings. When the filler is in the “green stage,” which is solid, slightly stretchy, but not totally cemented, you can use 36-grit sandpaper if you’re using a lot of it or doing any shaping with it. You can knock off significant amounts of filler with light pressure to rough-in the shape needed before the filler solidifies, making sanding more time-consuming. Remember to wear a respirator and safety eyewear when sanding fine filler dust because it tends to get everywhere.
Seamless filler work is essential for a high-quality body panel repair. The filler’s edges should blend seamlessly with the current panel. You shouldn’t be able to tell the difference between the metal and the filler. Any flaws in the filler will be magnified once the paint is applied to the body, so inspect the panel thoroughly. Large repairs necessitate extra effort because waves and ripples in the bodywork are common when working on a large region. Sand in a criss-cross pattern, up and down, side to side, rather than straight lines. Waves are eliminated, and the mending is much better.
Bodywork is a time-consuming, arduous task that is simple to learn but difficult to perfect. Bondo is a good grade substance that is a must-have for any body repair project, so don’t be scared to use it. Don’t worry if you make a mistake; you can always sand it down and start again.
NAPA Online has a wide selection of paint and body materials, or visit one of our 17,000 NAPA AutoCare facilities for routine maintenance and repairs. Speak with a trained specialist at your local NAPA AUTO PARTS store for further information on how to use plastic body filler.