54.162 = Charcoal Solder Block 4-1/2'' x 3''

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: 4-1/2" x 3" x 1-1/4"