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Old 06-12-2018, 12:19 AM
Marc Bourget Marc Bourget is offline
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Join Date: May 2013
Location: North Ca
Posts: 716
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I've used the sand fill before. There are a few essential steps. First, cap one end, then fill the tube all the way. Place it on a vibrating plate so the sand settles in, fill it again until you can just place a cork at the other end, then go bend.


Other approach is various formulas of low melting metal.


See one at: http://www.csalloys.com/cerro-alloys...ng-filler.html
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