outerlimits Posted December 5, 2010 Share Posted December 5, 2010 anyone have any experience removing metals bonded using loctite 380? want to remove a JP rib mount from a shotgun barrel and don't really want to muscle it off. Link to comment Share on other sites More sharing options...
Dan Sierpina Posted December 5, 2010 Share Posted December 5, 2010 I bet if you freeze it, it will come off without too much hammer work. Link to comment Share on other sites More sharing options...
kevinj308 Posted December 5, 2010 Share Posted December 5, 2010 Like liquid nitrogen freeze? We get it at our welding supply shop for freezing bearings and bushings. They drop right in a press fit bore. We take it out in the field in a thermos, I bet your local Praxair or Airgas would sell you just a little bit to take home. Pour it in your igloo ice chest or something. Just a thought, I've never used it for this application before. Wear a face shield and heavy leather gloves. Use pliers to get the part out, even with the gloves. I'd be really interested to know if you find something, freezing or otherwise, that works. Kevin Link to comment Share on other sites More sharing options...
RIIID Posted December 6, 2010 Share Posted December 6, 2010 The proper amount of heat should get it to release. Rich Link to comment Share on other sites More sharing options...
BlueOvalBruin Posted December 7, 2010 Share Posted December 7, 2010 Acetone should work, just make sure there's nothing else around that it can attack. Link to comment Share on other sites More sharing options...
yoshidaex Posted December 7, 2010 Share Posted December 7, 2010 Temp range for Loctite 380 is between -65 degF to 225 degF. A heat gun should weaken it enough for you to pull that sight off. At 248 degF, its retaining strength is less than 25%. Loctite 380 spec sheet Link to comment Share on other sites More sharing options...
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