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Types of epoxy?

A place to ask general spud cannon related questions.
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Types of epoxy?

Unread postAuthor: Stolly32123 » Fri Jul 23, 2010 6:46 am

I am planning on making a cannon this weekend but im not sure what epoxy i should use. Could someone tell me the different types of epoxy and/or things i could use instead. Thanks!
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Unread postAuthor: jackssmirkingrevenge » Fri Jul 23, 2010 7:08 am

If you want good advice, you'll need to be a bit more specific as to exactly what type of cannon of what size operating in what conditions.
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Unread postAuthor: Stolly32123 » Fri Jul 23, 2010 7:47 am

Ok. Im making a 6mm piston valve single shot rifle. I will be using a shock pump to pressureise it so it would be around 200 -250 psi.
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Unread postAuthor: qwerty » Fri Jul 23, 2010 8:25 am

JB Weld, Araldite, Normal epoxy resin. Most epoxys will work.
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Unread postAuthor: jackssmirkingrevenge » Fri Jul 23, 2010 8:31 am

As above, you can buy JB Weld/Araldite or similar at almost any hardware store. I made this 5.5mm piston valve launcher using basically brass tubes, araldite and masking tape ;)
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Unread postAuthor: SpudBlaster15 » Fri Jul 23, 2010 1:58 pm

I use 15 hour JB weld for things that require strength and/or temperature resistance. It has never failed me in any spudding application.

The other epoxy I'm quite fond of is PC Super Epoxy, which is dissimilar to other products in that it cures to a material that has properties more similar to a ductile thermoplastic than an epoxy compound. Very strong and tough stuff, and probably the best I've used for pneumatic launcher construction.
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