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Anti Carburizing Mullite Brick

Anti Carburizing Mullite Brick is a kind of light heat insulation refractory brick, which has good penetration resistance to HZ and CO atmosphere. Its application effect is better than other heat insulation refractory bricks. It has good application effect in electrolytic aluminum cell and carburizing furnace.

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Description

1,Description of Anti Carburizing Mullite Brick: The product is made of raw materials with high purity by pouring or Lattice pressing and high temperature firing, The product is a new type of refractory material, which has good resistance to re reducing gases such as H2 and CO under high temperature for a long time

2,Application of Anti Carburizing Mullite Brick: widely used in controllable gas oxygen furnace, ceramic furnace lining, carburizing furnace, heat treatment furnace, etc.

3,Characteristic of Anti Carburizing Mullite Brick：

1）Fe2O3 content is low，≤0.7%

2）Good carburizing resistance

3）Little change in line rate of reburning

4）Good chemical stability

5）Low thermal conductivity

6）Excellent erosion resistance

FC5~8XSQG~Z[VIN_MBI_]@S

4,Index of Anti Carburizing Mullite Brick:

ITEM	KST-0.5	KST-0.6	KST-0.8	KST-1.0
Al2O3 %	≥42	≥45	≥48	≥48
Fe2O3 %	≤0.7	≤0.7	≤0.7	≤0.6
B.D g/cm3	≤0.5	≤0.6	≤0.8	≤1.0
Cold crushing strength Mpa	≥1.5	≥2.0	≥3.0	≥4.2
Reheating linear change rate %	1300℃×12h ≤0.5	1300℃×12h ≤0.5	1300℃×12h ≤0.4	1300℃×12h ≤0.4
Thermal conductivity w/m.k 350±25℃	≤0.18	≤0.25	≤0.35	≤0.45
Service temperature ℃	≥1300	≥1300	≥1300	≥1350