NSIC Heater Protection Tubes: 

It also named NBSIC tubes, Sialon bonded SIC Tube, its full name is Nitride Bonded Silicon Carbide tubes.

Si3N4-SIC tube is made by high tech,worked as thermal couple protection pipes, thermal couple protection tubes in industrial kiln & furnace measurement.

NSIC thermal couple pipes has good performance on high strength & metal corrosion resistance,widely used in metal melting, like Al, Zn etc.

welcome any process according to sample or technical drawing.