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 but still soft so sticking in positioning pins to hold work in place will be easy.
Charcoal solder blocks are very useful in the soldering process:
There are a few drawbacks too: