JB Cold Metal Welding compound

This stuff works great in a pinch if some minor crack occurs out in the field. Might get you of a bind mechanically sometime. Liqued metal/epoxy resin bonds to iron, steel aluminum, brass, bronze, pewter, etc. I've used this to seal a crack in an aluminum head.
" Like metal, J-B WELD can be formed, drilled, ground, tapped, machined, filled, sanded, and painted. It stays pliable for about 30 minutes after mixing, sets in 4-6 hours, and cures fully in 15-24 hours. It's water-proof; petroleum-, chemical-, and acid-resistent; resists shock, vibration, and extreme temperature fluctuations, and withstands temperatures up to 500 degrees F. J-B WELD is super strong, non-toxic, and safe to use. Before it sets, you can clean up with soap and water."

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