Graphite cap:

Graphite cap usage: Polysilicon

We are specialy manufacture graphite crucible, graphite heater, mold which are used in Metallurgical Method to remove impurities from metal silicon at a high temperature and graphite heater, graphite base, graphite chuck which are used in Siemens Method to SiHCL3 and H2 at a high temperature in order to separate high quality silicon.