J-B Weld 8280 Original Professional Size Steel Reinforced Epoxy - 10 oz.
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The new version is now manufactured in China and is inferior to the previous version. I had both versions and found that the older one held up better than the newer one. I still use JB Weld, but only for small projects where I don't have to worry about it breaking.
I don't believe this product is suitable for your application with such a large surface area.
It's worth a shot if the parts are completely dry and clean for the cost of trying. If you have a leak in your A/C system, it's likely that the leak you're trying to fix is oily, and that oil will prevent J-fitting. B Prevent the weld from adhering to the metal surfaces. When it comes to A/C parts, it's best to replace them with new ones and then lubricate the O-rings properly. A/C oil is used to lubricate the rings and seals. To begin, ensure that the refrigerant is safely removed for recycling and that it does not deplete the ozone layer.
This could be a bad idea, depending on the reason for the hole. The most common causes of holes in air tanks are rust and condensation on the inside. Is the metal next to the hole (on the inside) rusted and thin if there is a hole? The answer is, without a doubt, "damn right it is." Do they go up in flames? They don't happen all that often, but they do happen occasionally. Youtube is a great place to look for videos. Because of this, I no longer use two compressors. Don't be such a cheapskate. It's the same reason you shouldn't fix your car's brakes with hose clamps, glue, or fuel lines. NO! If your house wiring still has fuses, don't try to defeat them with aluminum foil. br> This ad's claim that the bond is stronger than steel is also complete nonsense. PSI of 5000 or so? The weakest crap steel might yield at 30,000 psi, so this is probably close to the mark. A moderate-strength steel has a UTS of 100,000 pounds per square inch. It's quite possible to make it twice as much. Glue is unquestionably useful, but it is in a world of its own when it comes to strength. Cut a screwdriver in half, use any glue to repair the butt joint, and then try to use it. It's not going to happen. Nothing changes if you use fancy words. Whatever you want to call it, it's glue, bonder, resin, or adhesive. It's all just words. There are a slew of FAA airworthiness directives on structural issues with joints that rely solely on a new magical glue. Recognize the constraints. br> Do not use glue to attach your air tank.
Selected User Reviews For J-B Weld 8280 Original Professional Size Steel Reinforced Epoxy - 10 oz.
in 2009 because it was so versatile. size to patch a couple of holes in my exhaust pipe, far enough back from the converter. I used wire to wrap the affected areas and smeared JB Weld on top. br>br>Two years ago, rust holes appeared in the deck of my walking mower. br>br>It stood up to the heat and pulsing pressure, and I got years more use out of that pipe. br>br> I wanted to keep the mower because it was in good working order and had a sturdy deck. At the same time, I was concerned that a hole in the deck might cause an injury to my eye. I cut appropriate pieces out of a tin can using EMT shears. I used JB Weld to adhere them to the holes. The repairs appear to be in good working order after two years. br>br>Last year, I purchased an expensive pair of pruners that frequently failed to cut small items completely due to a small gap between the back of the anvil and the back of the mouth. What did the designer have in mind when he created this? br>br>I used a 1mm thick layer of JB Weld on the back of the mouth to keep small items from sliding back over the gap. If it ended up somewhere it didn't belong, I figured I'd clean it up with a file. It remained exactly where I wanted it to be. The pruners did a better job. The problem was completely solved by applying a second layer of JB Weld. br>br>A few months ago, I purchased a watch that had a stopwatch button flush with the case's side. It was difficult to tell where it was, and pressing it down didn't always result in it going far enough to work. What did the designer have in mind when he created this? br>br>I reasoned that putting a dab of JB Weld on top of the button would allow my finger to push it further while also making it easier to feel where it was. It might never work again if it ran down the sides of the button. I chose to take a chance and take a chance. br>br>I dabbed a dab on the top of the button with a toothpick and immediately turned the watch so that the button was down. In any case, the JB Weld wrapped itself around the button. I was under the impression that I would require a new timepiece. br>br>Within two hours, the JB Weld that was still on the paper had hardened to the point where it wasn't sticky and didn't deform when I touched it. I removed the JB Weld from the well around the button as easily as modeling clay using a 1mm wide jeweler's screwdriver. I'm not sure if that would have worked with a different adhesive, but the button still works perfectly. There's still a lot in the tubes after nine years. br>br> Although the black substance has begun to separate, it continues to function. JB Weld is a must-have for me. I'll buy smaller tubes if I need more in the future. This should make mixing small amounts in equal parts a lot easier.
Here are some lessons learned over the years: 1. br>br> The mechanical strength of the internal structure is quite strong. 2. br>br>1. br>br>br>br>br>br On smooth surfaces, the adhesion isn't always great. It's a good idea to rough up the surface, but it's not always sufficient. When using, think about how you can compensate for the adhesion by utilizing the JB Weld's high internal strength, such as by using large blobs that wrap around corners or by covering as much surface area as possible. 3. br>br>4. br>br>5. br>br>6. While the curing time is listed as 24 hours, I believe it hardens longer. So, if you're not satisfied with the cure after 24 hours, give it another week or two. 4. br>br> I enjoy shaping and smoothing JB Weld (e. g. , e. g. , e. g. , e. g. , , by using a razor to shave the surface After about 4-hours, use a putty knife to press down on the blade (or use a type blade). Curing time is 12 hours. It can still be sanded once it's fully cured, but it'll be difficult to do so because it's so hard. It's better to shape it while it's still a little soft. 5. br>br> If you used masking tape, I recommend removing it at the 4-minute mark. The masking tape will be difficult to remove after 12 hours of curing. 6. br>br>br>br>br>br>br>br>br> Brittleness comes at a price when you have a lot of hardness. 7. br>br>br>br>br>br>br>br>br> Because JB Weld is so rigid, it's clearly not a viable option when flexibility is required. 8. br>br>br>br>br>br>br>br>br> Working time is so long in practice that one does not need to be concerned about it. I believe one could re-adjust for at least a half-hour, if not much longer. 9. br>br> You can dilute JB Weld with isopropyl alcohol if you need it to be a little more runny. If it's putty-like, it's putty-like. One can, for example, mix it and set it aside for a few hours before applying or shaping it. 10. br>br> When it's not set, wipe it down with isopropyl alcohol.
I needed to 'weld' some dissimilar metals together, so I purchased this JB Weld in a larger size. First and foremost, this is not one of those tiny 1 oz tubes with insufficient material to glue anything other than costume jewelry. Of course, 10 ozs is more expensive, but it has a longer shelf life, so if you're a handyperson, you'll probably use it before it goes bad. (It's also not in those obnoxious, ineffective "injector" tubes that resemble syringes. ) I've tried the injector-style tubes, and they are, in my opinion, a complete waste of money. If there's a trick to getting the two pieces to come out of the injector tubes, I haven't figured it out yet, or perhaps at my age, I just don't have the hand strength to compress the injectors. It was nearly impossible to squeeze a very viscous glue through two tiny openings, so I threw the tubes away. ) These two parts come in toothpaste-like tubes that are simple to use, squeeze, and measure out equal amounts. The thickness of both components is extremely high. Mix thoroughly, then continue to mix for at least three minutes for best results! This isn't a quick-drying paint, so you'll have several hours to work with it before it becomes as hard as metal after 24 hours at room temperature. Despite the fact that the mixed epoxy is quite thick, it will "run" for several hours, so plan ahead. br>br>Recent changes: br>br> 1/16/17 My original box and tubes are still going strong two years later, and I haven't had to purchase any replacements. I am very pleased with the product. It appears to work well in every application I've thought of. I used it to "weld" a metal gate post to a mounting base bracket, and it's still holding up two years later. A word of advice: I recently used it to secure a small item from the outside of the house. Although I anticipated slower cure times for cold-weather applications, this took a little longer than expected. Moral: If you're going to use it at a low temperature, expect it to take a long time to cure. I've also used it to secure my car's rearview mirror to the windshield, and it's worked perfectly (even better than Loctite!).
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