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Refractories for Industrial Furnace

  • Clay, High Alumina Insulating Bricks
  • Clay, High Alumina Insulating Bricks
  • Clay, High Alumina Insulating Bricks
Clay, High Alumina Insulating BricksClay, High Alumina Insulating BricksClay, High Alumina Insulating Bricks

Clay, High Alumina Insulating Bricks

  • Product description: Produced with unique advanced technology, the clay and high alumina heating insulating bricks possess characteristics of high crush strength resistance and good thermal shock stability. The bricks can
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Produced with unique advanced technology, the clay and high alumina heating insulating bricks possess characteristics of high crush strength resistance and good thermal shock stability. The bricks can reduce heat capacity of kiln walls and promote heat efficiency of kilns. The product is applicable for constructing industrial kilns and inner lining of kilns.

Physical and chemical indexes

Brand

Clay insulating bricks

High alumina insulating brick

NG-0.5

NG-0.6

NG-0.8

NG-1.0

LG-0.6

LG-0.8

LG-1.0

Bulk density, g/cm3

0.5

0.6

0.8

1.0

0.6

0.8

1.0

Crushing strength, MPa, ≥

1.5

2.0

2.5

3.4

2.0

3.0

4.0

Testing temperature for reheating linear change less than 2%,

1250

1300

1350

1350

1350

1400

1450

Thermal conductivity at average temperature 350±25, W/m.K

0.18

0.25

0.35

0.50

0.25

0.32

0.45

Refractoriness under load, , ≥

1160

1250

1280

1300

1300

1350

1380

Al2O3, %, ≥

35

40

42

42

50

52

52

Fe2O3, %, ≤

2.5

2.5

2.0

2.0

1.8

1.6

1.5

Max. service temperature,

1150

1200

1280

1300

1300

1350

1380