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fibreglass resin/Solder? mmm

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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fibreglass resin/Solder? mmm

Unread postAuthor: daniel0663 » Tue Apr 26, 2011 9:15 pm

Hi, guys
I have a Q; Fibreglass resin/solder? which should i use?
I'm planning on building Coaxil and a HP pump out of various copper fittings and such and was wondering if Fibreglass resin is suitable
for pressures between 160 - 260 PSIG.
I have fibreglass resin available at no cost.
Has anyone experienced using fibreglass resin for pressure use?
i think i saw a post, JSR using Marine epoxy which is Fibreglass resin? in his mini hybrid?

So i'm assuming that fibreglass resin is suitable?
Tell me what you guys think.
I would use solder but the Solder and flux kit costs 35$NZ :lol: .........

Thanks
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Unread postAuthor: jrrdw » Tue Apr 26, 2011 9:22 pm

Are you talking about joining the fittings together? If so, solder them...
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Unread postAuthor: daniel0663 » Tue Apr 26, 2011 9:25 pm

yes the fittings, solder? hmmmm

Thanks for the quick reply.
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Unread postAuthor: jrrdw » Tue Apr 26, 2011 9:33 pm

Any time :wink: .
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Re: fibreglass resin/Solder? mmm

Unread postAuthor: jackssmirkingrevenge » Wed Apr 27, 2011 1:23 am

daniel0663 wrote:i think i saw a post, JSR using Marine epoxy which is Fibreglass resin? in his mini hybrid?


marine epoxy and fibreglass resin are not the same thing. i use marine epoxy in practically all my deisgns, when used well it will hold pretty much anything you subject it to.
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Unread postAuthor: Technician1002 » Wed Apr 27, 2011 1:59 am

One of the problems with using a plastic is the coefficient of expansion is different from the metal. Thermal cycles can stress the bond and cause a failure.
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