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Simple do it yourself fireproofing
#1
Hey guys,
I know some of us have homemade packs made from recycled 18650's that we have mounted in places where a fire would be devastating.  Or maybe you need a fireproof box to throw a small pack or battery if you have a mishap in your "lab".  Well I stumbled accross this video while searching for something else and I believe this can be useful in our community due to the low cost and simple to make and form to whatever shapes are required.

Enjoy!


Edster, viralprankster, rodagaster And 1 others like this post
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#2
I've seen this one before. Pretty neat, simple, and effective "putty". It's a shame the original inventor was so paranoid, he died with his formula locked away in his mind.

Funny how this guy stumbled across the documentary recently "after" he did his other experiment and was able to put the two things together to come up with this new stuff.

I do wonder how this would work as a cell/pack protector if they go rogue and go boom.



Interesting, this particular video is Dec 18th, 2018. But I saw this months ago. He must of reposted it.
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#3
Wow, this is awesome! Any idea if this is also non-conductive? I'm sure in its carbon state it is, but I'm hoping it'll never get to that point (from one side to the other) I'm also wondring if it can ever be hardened to to have more structural integrity than just a putty...
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#4
It's about as conductive as burnt toast, as that's basically what it turns into. The carbon that is created isn't structured correctly to conduct electricity in any real amount.
Proceed with caution. Knowledge is Power! Literally! Cool 
Knowledge is Power; Absolute Knowledge is Absolutely Shocking!
Certified 18650 Cell Reclamation Technician

Please come join in general chit-chat and randomness at Discord Chat (channels: general, 3d-printing, linux&coding, 18650, humor, ...)
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#5
Considering how cheap this is to make, and that it doesn't need to be ordered from China, is there a reason I shouldn't make a bucket of this and cover all of my electronics in it? I suspect it's impact resistance isn't great for exploding cells, but .... seems like a good thing to use to buffer between packs and the inside of a metal enclosure (which is vented of course)
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#6
(12-24-2018, 11:41 PM)Korishan Wrote: [...]
I do wonder how this would work as a cell/pack protector if they go rogue and go boom.
[...]

We have to try this!

But one problem could be, the way it works, it has to radiate the heat and if we have a closed pack with cells in it there might be a problem because the heat can't escape.
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#7
I tried. How can we make that un tearable cause when I made that round structure It was breaking into peices . Also if we make a wood protective box ? for lithium pack how can we stick this material? Double tape or a layer of fevicol ??
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#8
If it works for fire that's great, would have to try it for myself as in the video he uses a blow torch the radiant heat from aiming it on his hand would of been to hot after a few seconds, as it was a sure fire 2 type blow torch, look where his thumb is?

The other issue would be in enclosed spaces if heat can't escape pressure builds up and bang, pressure being the problem, as long as it stops the pressure as well as fire all good, but if there is a fire that can burn for the putty to take effect in enclosed space where does the pressure go, if boxed battery enclosure would a fire stop axial fans working?

If it works to make a structure from it adding non conductive/fire resistant shavings into the mix may work to give some rigidity.
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#9
(02-17-2019, 09:16 PM)Richard Wrote: [...]
The other issue would be in enclosed spaces if heat can't escape pressure builds up and bang, pressure being the problem, as long as it stops the pressure as well as fire all good...
[...]

The pressure wouldn't be a problem, because you could make a small hole in the box. But the way this works, the energy as heat has to go somewhere. It gets reflected by this thing and then again on the other side of the box and so on and on, and it will get hotter and hotter until the thing couldn't reflect the heat anymore and it will burn completely.

That's what I think. But best would be if someone of us could try this with a nearly closed box...
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#10
Hi LED

I think it maybe a scam, wood does exactly the same, some historic fires, after the fire wood beams are still structurally sound under the same princelable it burns the surface making carbon in an open space where the heat can dissipate quickly, but i'm not an expert with the battery chemical makeup and the chain reaction that may happen.

I'm only putting my 2 pennies worth in knowing how hot a blow torch gets through many years of using one. And a little knowledge on how destructive pressure can be.
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