HIGH TEMPERATURE CHARCOAL SOLDER BLOCK
Arguably the world’s best charcoal block. It is made of hardwood with great life and durability. This is a premium quality block so it will last 3 to 5 times as long. It also has better heat retention: great for platinum.
This chemically prepared charcoal block will glow under a flame and reflect heat back onto the work. It is a denser charcoal block so sticking in positioning pins will not be easy, but it will better refect heat than the softer block.
Charcoal solder blocks are very useful in the soldering process:
There are a few drawbacks too: