... to various medium of liquid,vapour and gas. Silicon Nitride bonded Silicon Carbide(Si3N4-SiC )has good characteristics of particular ... SiC products which are applicabe to wheel foundry in low pressure die-casting, desulfurizing nozzle, slurry pump industry, non- ... Thermocouple sheath, heater sheath, thermocouple protection tube, desulfurizing nozzle Silicon Nitride bonded Silicon Carbide (Si3N4-SiC )