RedLeg0811 Posted April 19, 2010 Share Posted April 19, 2010 I need to weld some tabs on a new aluminum radiator. I am concerned about the tubes which are furnace braced. I know I should be good up to 840f, which is the melting point of the brazing filler. I am thinking as long as I do small welds and check the temp I should be good to go. I was also thinking a heat dam might be some added insurance. Has anyone looked at Hot Dam? http://www.accentshopping.com/product.asp?P_ID=153999. Does this stuff or other products work? Thanks Martin Quote Link to comment Share on other sites More sharing options...
Dragons lair Posted April 20, 2010 Share Posted April 20, 2010 Yeh have used that one and the gel from the big box stores. They do work. Still need to work as quick as possable. Try it on some scrap so ya know how long ya have. I have moved inlets and outlets on them without the gel. Now I have a bottle sitting on the tigger. Ken. Quote Link to comment Share on other sites More sharing options...
RedLeg0811 Posted May 4, 2010 Author Share Posted May 4, 2010 I ended up using Heat fence and it worked well. The hotest outside the fence it got was 180deg, so I should be good to go. Quote Link to comment Share on other sites More sharing options...
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