54.172 = Charcoal Solder Block 7'' x 4'' 54.172 = Charcoal Solder Block 7'' x 4'' 54.172 = Charcoal Solder Block 7'' x 4''
54.172 = Charcoal Solder Block 7'' x 4'' 54.172 = Charcoal Solder Block 7'' x 4'' 54.172 = Charcoal Solder Block 7'' x 4''

54.172 = Charcoal Solder Block 7'' x 4''

$28.95
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Article number: 54.172
Availability: In stock

This chemically prepared charcoal block will glow under a flame and reflect heat back onto the work.  It is easily punctured to hold work in place.

Charcoal solder blocks are very useful in the soldering process:

  • They don't absorb much heat.  Instead they reflect it back helping to heat up pieces on it much faster.
  • They create a reducing atmosphere that consumes the oxygen around the piece being soldered.  This helps to prevent fire scale.
  • They are soft enough to have pins pushed into them for holding pieces in place.
  • Their surfaces can be sanded down if they get too worn.
  • If they are broken, the pieces can still be used.

There are a few drawbacks too:

  • They can crack or break after heating.
  • They can keep burning after the soldering is done.
  • They can be messy.
  • They can give off fumes, so use in a ventilated area.
  • They get used up.

Approximate size: 7" x 4" x 1-1/4"

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