GJM Series Refractory Insulating Bricks

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
100000 m.t./month

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General Information

CMAX insulating firebricks are classified under temperature between 1300 to 1700, manufactured from high purity alumina clay.

1. Lower content of iron, alkaline and impurities, good high temperature properties.
2. Homogeneous structure, light weight, energy saving because lower heat storage in the furnace during cooling cycles.
3. High strength, good thermal shock resistance under high temperature.
4. Precise sizes due to grinding and shaping after sintering, which meets the requirement of construction.
5. Max service temp: Up to 1730C (3160F)

 

Feature
Light weight and low thermal conductivity    
Low heat storage  
Low iron and impurities  
High thermal shock resistance

 

Application
CMAX insulating firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.

 

ITEM

GJM30

GJM28

GJM26

GJM23

Classification Temperature, /      

3000/1650

2800/1540

2600/1430

2300/1260

Bulk Densityg/cm³  

≤1.0

≤0.9

≤0.8

≥0.5

Reheating Linear Change, %

 ≤0.9               (1550,12 h)

  ≤0.8                    (1510,12 h)

  ≤0.7                       (1410,12 h)

 ≤0.5                   (1230,12 h)

Al2O3 Content, %           

≥75

≥65

≥55

≥45

Fe2O3 Content, %             

≤0.5

≤0.6

≤0.7

≤1.0

Thermal Conductivity:      

 800, w/m.k   

≤0.39

≤0.37

≤0.35

≤0.18

 1000, w/m.k

≤0.43

≤0.41

≤0.39

≤0.20

 1200, w/m.k

≤0.48

≤0.46

≤0.43

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GJM Series Refractory Insulating Bricks

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