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Your present location:Home >> Refractory for Industrial Furnaces >> Mullite Insulating Firebrick
  • Name: Mullite Insulating Firebrick
  • Products Id: a56
  • Advantage:
  • Delivery Time: 30-60 Days
  • Products Used:

This series of products adopt high-purity raw materials and unique technology to furthest avoid impact of impurities and structure defect to product performance, featuring in extreme excellent high-temperature volume stability, thermal shock resistance, high strength, low heat conductivity coefficient, with extensive adaptability to various furnace types and environment conditions. This product can be used as furnace lining (away from erosion of fusion liquid) and insulating layer in many industries like metallurgy, machinery, ceramics and chemicals, which is an ideal energy-saving product.

 Physical and chemical indexes

Brand

ZJM130

ZJM130

ZJM130

ZJM140

ZJM140

ZJM140

ZJM150

ZJM150

Bulk density  g/cm3     ≤  

0.6

0.8

1

0.6

0.8

1

1

1.2

Cold Crushing strength   Mpa                    

1.5

2.5

4.2

1.5

3.2

4

4

5

Thermal stability       1100℃(air colling)

10

20

20

10

20

20

20

20

Reheating linear change ≤       1%(℃xh)

1300x12

1300x12

1300x12

1400x12

1400x12

1400x12

1500x12

1500x12

Thermal conductivity 350±25℃(W/m.k)       

0.2

0.23

0.33

0.2

0.25

0.33

0.35

0.4

Al2O3      %           

48

49

50

55

57

57

60

67

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