Thermal Insulating Refractory Brick for Furnacefor Fireplace

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China main port
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TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
5000 m.t./month

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Product Description:

Thermal insulating refractory brick for furnace 

Product Description

Introduction of  refractory  brick 

Insulating brick is sintered mainly with supper-fine bauxite charlotte and propr additive by a method of EPS ignition loss. Refractory high alumina EPS insulating brick for heating furnace is a kind of insulation refractory product, taking bauxite as main raw material and including not less than 48% of AL2O3.

Characteristics of  refractory  brick 

1.High porosity

2.Small volume density

3.Good insulation effect

4.High mechanical intensity

5.Small thermal conductivity

6.Long service life

Application of refractory  brick 

1. Building materials for blast furnace

2. Building materials for hot-blast stove

3. Building materials for coke oven

4. Building materials for steel making furnace

5. For construction material in steel industry

6. For ladle

Physical and chemical indexes of refractory  brick 

Brand

Clay insulating bricks 

High Alumina insulating bricks

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

0.6

0.8

1

Crushing strength Mpa   ≥

1.5

2

2.5

3.4

1.96

2.94

4

The experimental temperature 

of linear change ≤2%

1250

1300

1350

1350

1350

1400

1450

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

0.18

0.25

0.35

0.5

0.25

0.032

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

2

1.8

1.6

1.5

Maximun erice temperature

1150

1200

1280

1300

1300

1350

1380


 

Thermal Insulating Refractory Brick for Furnacefor Fireplace

Thermal Insulating Refractory Brick for Furnacefor Fireplace

Thermal Insulating Refractory Brick for Furnacefor Fireplace

 

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