... HS Code: 69021000 HS Code: 69021000Magnesia-carbon brick is pressed by high pressure hydraulic ... made from dead burned magnesite or fused magnesite and carbon material (fully crystalized flake graphite) with the ... of pitch or resin. It forms combination of carbon frame at high temperature. It can effectively resist ... :BOF,LD furance,Arc furance,VOD,VAD etc Magnesia carbon bricks: MgO: 72--97%, C: 18-5%, ...