Sugru electrical insulator

Sugru electrical insulator

How to repair a broken cable with sugru

I’d like to temporarily secure certain electrical connections. They’re made of 14ga wire soldered to big PCB pads. Shrink tube or electrical tape would obviously not work. I might use liquid electrical tape, silicone, or epoxy, but those are too permanent and would be difficult to remove if I need to desolder and resolder the connection in the future. I’m curious if there’s something out there that fits well and has been tested, and has a quality close to silly putty (but a little thicker, and less prone to sagging). Anything that can be smeared/pressed around the link and will stick and remain there, but can be easily removed without leaving any residue. Is there such a thing as a solution? Is there a better solution that I’m overlooking?
Those are a lot of requirements.
After you’ve finished building your PCB, clean it thoroughly.
After that, use some hot glue (you know those sticks you put in a gun like applicator which heat it and make it fluid).
After applying the glue, you can shape it to some extent, and removing it won’t be too difficult.
The adhesive will not hold if the pcb is not clean.
And I’m not sure how effective it is at insulating.

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Is it possible to use Sugru to secure and insulate two adjacent 3 – 5v power pins? Also, there appears to be a clear silicone material shielding / insulating contacts on the “circuit” picture of the Enclosure for Arduino ID: 271. What exactly is this? Do you sell this, or do you suggest a place to buy it? ❓ Thank you so much!
Sugru’s insulating properties have not been checked. However, strain relief on wires is a popular use. Hot-melt glue is the material in the enclosure photos. This (along with the weapons to apply it) can be found in any craft store. [Edit] – Sugru is an electrical insulator, according to the Sugru website. http://gurus.sugru.com/us/categories/sugru-hacks/topics/the-great-sugru-cable-repair
lyndon wrote:Be cautious when using hot glue from a hardware store. Any of it is acidic, and over time, it can corrode wire and contacts. Newark, Digikey, and other companies sell hot glue that is ideal for electronics. That was something I was curious about… thanks for the heads up!
lyndon wrote:Be cautious when using hot glue from a hardware store. Any of it is acidic, and over time, it can corrode wire and contacts. Newark, Digikey, and other companies sell hot glue that is ideal for electronics. I’m curious if hot glue breaks over time due to heat or tension, which would be problematic if it’s meant to be an insulator. More research is needed.

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I got some Sugru as a result of the contest, and it’s pretty cool. I found a lot of helpful hints and simple directions, but I thought they needed a central location for newbies to read anything – particularly the information that is applicable to every project. Since I’m a newbie myself, I’ll add everything I find useful. If someone comes across any tips that I haven’t mentioned, please let me know in the comments and I’ll add them to the Instructable.
It’s waterproof and can endure a wide range of temperatures (-60°C to + 180°C, or -76°F to 356°F, according to the website). That means you can use it in the snow and it can survive boiling (but it’s not food grade, so don’t use it on surfaces that will come into contact with food frequently)! Oh my goodness! It can also be washed in the dishwasher.
THERMAL CONDITIONS MAKE A DIFFERENCE. If possible, use Sugru at a temperature of 21°C (69.8°F). Sugru heals faster in warmer temperatures and takes longer in colder temperatures. It should be stored uncured in a cool spot (the fridge is okay). It can also be microwaved after it has been cured, although it can become hot in the microwave.

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Don’t bother trying to get it fixed any longer. You’re pretty much out of luck if the plastic door handle on your toaster oven breaks. The same can be said for a tool with a cracked handle or a thousand other things in the home, workplace, or outdoors that are virtually impossible to get properly fixed. Fix-it shops in your neighborhood have all but vanished, and tiny replacement parts (when they’re available) are often nearly as costly as the entire unit. It’s no surprise that people nowadays just toss and rebuy.
However, if you have the right tools and materials on hand, many repairs are simple and convenient. Sugru® is the response. Sugru is a hand-moldable, self-curing silicone “clay” that binds to most materials. In 30 minutes, it air-hardens to a tough yet versatile state, and in 24 hours, it completely cures to a water-resistant, hot and cold-proof, permanent state. Sugru can be used to make a grip, a handle, a repair patch, an electrical insulator, a replacement component, or almost anything else you can think of.
However, you may not be a “fix-it” kind of guy. That’s fine, because Sugru has a much more interesting application: it allows you to “hack” (improve) the many functional items in your home or office that could be made more comfortable or work better with a little tweaking. For instance, you might have a favorite cooking pot with a handle or lid knob that gets too hot when used. A thin layer of Sugru can solve the problem forever. It can withstand temperatures up to 350°F and is dishwasher safe until cured (if it can withstand the conditions inside a dishwasher, it can withstand just about anything). Since Sugru comes in a variety of colors, you can color-code your handles and lids so you never have to guess which one goes with which when you’re digging around under the cabinet. (Sugru is also available in black and white packs, which are ideal for repairing/enhancing electronics such as iPhones and laptops.)

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