Graphite Crucibles for Heracast

Among the carbon-containing crucible materials for the group of high-gold alloys, graphite has the best properties. Through a special manufacturing process, Kulzer graphite crucibles are free of any additives that could damage the alloy. They have high mechanical stability and thermal shock resistance, good thermal conductivity and have a uniform burn-off behavior, which creates the desired protective gas atmosphere over the melt at an appropriate service life.