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DIY Household Chemistry (media.piefed.world)
submitted 1 day ago* (last edited 1 day ago) by j4k3@piefed.world to c/coolguides@lemmy.ca
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[-] j4k3@piefed.world 4 points 1 day ago

I think linseed oil on rags is one of the big ones that will spontaneously combust.

When I was painting cars, too much catalyst in composites can be one that gets hot enough to burn skin easily. I never had it combust but it felt close to hot enough a few times. One of my cheap and fast hacks is to use fleece fabric with fiberglass composite type resin. It soaks up a ton of resin and will take a shape in one go as something of a base molding form that can be worked with course shaping tools. That thick of material full of one mix of resin gets super smoking hot when the catalyst goes off.

this post was submitted on 10 Oct 2025
148 points (97.4% liked)

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