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How to Remove a J-B Weld

J-B Weld is a cold welding compound that includes two components. When mixed together, the resulting compound is used to braze, solder or weld items together, creating an incredibly strong bond. If you ever get J-B Weld on an unintended surface or need to break a J-B Weld bond, you'll have to remove the J-B Weld compound. This requires some grinding and filing, but it can be done.

Locate the area where you want to remove the J-B Weld. Remove any small amounts of the compound from the surface using a metal file.

Put on hearing protection, eye protection and gloves. Grind off the J-B Weld from the two secured pieces using a 4 1/2-inch angle grinder until you can pull the pieces apart.

 

Grind the remaining J-B Weld from the surfaces of the two pieces using the angle grinder.

 

Things You'll Need

  • Metal file
  • 4 1/2-inch grinder with metal grinding disc
  • Hearing protection
  • Eye protection
  • Gloves

Tips

  • J-B Weld is a difficult substance to remove, and you may have to cut around the joint instead of removing the compound itself. To do that, you need a cutting tool that will work with the material to which the J-B Weld is adhered.

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