Due to the calcination at temperature > 1100°C, this product is dry and displays a considerably lower content of volatile components than green petroleum coke. Furthermore, it is produced by coking coal tar pitch. It is mainly characterized by its high carbon content (approx.98% C), contains around 0.6 to 0.8% sulfur and max. 0.6% volatile components, whereby the ash residue is a maximum of 0.6%.