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NZ $30.00 excl GST

Solder on charcoal for great heat reflection 140 x 70 x 30mm

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Jewellers have been soldering on charcoal blocks as a refractory material for centuries.
Blocks should be wrapped with wire to prevent breakage and prolong their life.
Charcoal blocks have several benefits.

  • They absorb very little heat and reflect it back, causing pieces to heat up faster.
  • They provide a reducing atmosphere (this consumes the oxygen around the piece being soldered which helps to prevent fire scale)
  • They can have pins shoved right into them.
  • Broken pieces can be re-used.
  • The surface can be re-sanded to like-new.
  • They’re made of natural organic material. Wood, such as ash, beech, oak, walnut, elm, and a few others


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