Made of natural graphite and silicone carbide bonded with fine clay. This crucible is designed for use with Fuel/Gas and Medium/High Heat induction furnaces as well as direct heat or open flame.
 
Consistency when melting ferrous, non-ferrous metals such as gold, silver, copper, aluminum, zinc, brass, etc. cGood thermal conductivity keeps metal from cooling too rapidly. Resistant to high heat.
 
Maximum temperature: 2,912°F.
 
Comes in 2 sizes:
 
Size # 3; 3-4kg
4-3/4"H x 4-1/8"Outter Diamiter
 
Size #4; 4-6kg
6"H x 4-3/4"Outter Diamiter