Insulating Fire Brick 65% Al2O3 min High Alumina

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1 m.t.
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20000 m.t./month

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Description of Insulating Fire Brick

 

Insulating Fire Brick 65% Al2O3 min High Alumina is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory, which has such advantages as high porosity, small volume density, good insulation effect, high mechanical intensity, small thermal conductivity and long service life. For various industrial kilns & furnaces, Insulating Fire Brick is a kind of essential refractory for energy saving and temperature preservation.

This series of High Alumina Insulating Fire Brick are made of selected high alumina bauxite, kaolin caly, hollow microsphere as the mian material. By shaping at high pressure and sintering at high temperature. 

 

 

Features of Insulating Fire Brick

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 firing, which meets the requirement of construction.

 

Specifications for Insulating Fire Brick

 

SSW-23

SSW-25

SSW-26

SSW-28

SSW-30

SSW-32

ASTM C155-97                           °C

Classification Temperature           °F

1260

2300

1350

2500

1430

2600

1540

2600

1650

3000

1760

3200

ASTM C134-95                    g/cm³

Bulk Density                       ib/ft³

0.60

37

0.80

50

0.80

50

0.90

56

1.03

64

1.25

78

ASTM C133-97                          Mpa

Cold Crushing Strength              ib/in²

1.2

170

2.0

284

2.0

284

2.6

370

2.8

398

3.4

484

ASTM C133-97                          Mpa

Modulus of rupture                    ib/in²

0.9

128

1.2

170

1.5

218

1.6

232

1.7

247

2.0

290

ASTM C210-95                          %

Permanent Liner Change            °C*hrs

0

1230*24

-0.5

1350*24

-0.5

1400*24

-0.8

1510*24

-0.9

1620*24

-0.9

1730*24

ASTM C182-88

Thermal Conductivity (W/m.k)

400°C

0.17

0.24

0.24

0.30

0.40

0.49

600°C

0.19

0.28

0.27

0.32

0.42

0.50

800°C

0.22

0.32

0.30

0.35

0.44

0.51

1000°C

0.25

0.37

0.32

0.38

0.45

0.53

1200°C

---

---

0.35

0.39

0.47

0.55

Chemical Analysis of Insulating Fire Brick

Al2O3                                   %

45

50

55

65

72

76

Fe2O3                                  %

0.9

0.8

0.8

0.5

0.4

0.3

SiO2                                     %

50

45

42

32

26

22

CaO+MgO                             %

0.7

0.6

0.3

0.2

0.3

0.2

K2O+Na2O                           %

1.3

1.0

1.0

0.8

0.2

0.1

 

 

 

Images of Insulating Fire Brick

 

 

Insulating Fire Brick 65% Al2O3 min High Alumina

Insulating Fire Brick 65% Al2O3 min High Alumina

Insulating Fire Brick 65% Al2O3 min High Alumina

 

Applications of Insulating Fire 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

 

FAQ of Insulating Fire Brick

 

1. Which products do you have?

We have all kinds of refractory brick, castable, mortar, cement, ceramic fiber products, etc.
Or you could browse our products to choose what you need.

 

2. Can you give me a general idea of the specification and technical data of your products?

CNBM offer a range of refractory and insulation products. We provide refractory bricks, monolithic refractories as well as ceramic fiber products. And On your given shapes, drawings or description, we are producing refractories with all sizes and shapes, resistant to temperature from 800 °C till 1800 °C, using various machines and equipments for cutting, grinding, drilling, polishing, shaping processes.
Every refractory product by CNBM is of superior quality. Lesser refractory products can not approach. CNBM utilizes proprietary testing methods, testing for chemical content, density, apparent porosity, cold crush strength and modulus of rapture. With stringent quality control, you can count on CNBM products to exceed refractory industry standards and your expectations.

 

3. Can you give me a brief introduction of the application of your products?

We are mainly specializing in the refractory materials in iron and steel, cement, glass, ceramics, petrochemical, electric power Industry, etc.

 

4. If I need your offer, what information do you need?

In order to choose suitable products, it will be appreciated to provide us the information, such us specification, technical data, order quantity, products application etc.
If any question, please contact us freely.

 

 

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Q:What is the difference between cement foamed thermal insulation board and thermal insulating brick?
The main difference between cement foamed thermal insulation board and insulating brick is that the shape is different, one is plate, and the other is brick. Both are new walls to achieve the effect of energy conservation and insulation.
Q:What are the new types of building brick materials?
In addition to the original clay brick, other masonry materials seem to be called new materials. Sintered silt bricks, steam blocks, lightweight blocks, hollow clay bricks, etc..
Q:Several kinds of energy-saving bricks
The insulation brick integrates the excellent heat preservation effect into the wall while building the wall. Low thermal conductivity, high strength, strong durability, simple construction, light weight, easy loading and unloading, economic, green, environmental protection, sound insulation, fire protection and so on.
Q:Energy saving bricks or bricks?
Insulating bricks are mostly hollow or light bricks.It can be said to be energy-saving bricks, including insulation bricks
Q:What is the bulk density of the sintered bricks?
Sludge brick density is about 1000Kg/m or so fand.
Q:Are there any special requirements for the use of raw materials in thermal insulation brick production equipment? What about the raw materials?
Specific funding, different production, different raw materials configuration will be different. According to the design requirements, refining production process, for production process, production management level, complete monitoring, pulping system on the lower computer, based on control level; lower machine by the programmable controller (PLC) is mainly composed of a crushing system. The host computer takes the standard industrial control computer (IPC) as the main man-machine interface (HMI) and beating system, and if possible, it is recommended to investigate on site
Q:What are the specifications of high strength diatomite insulating bricks?
Exterior wall insulation decorative board insulation performance is very good, and the processing method, anchor node and patent products cold bridge design reduces the energy loss, therefore, especially in the area of bad weather such as the northeast, northwest and other places, energy-saving insulation requirements are very high, the traditional thermal insulation construction has brought great difficulty to the construction.
Q:What material is good for indoor thermal insulation?
Now the main building to do insulation, and generally use benzene board, we do indoor heat preservation is generally used, glass cotton is glass fiber, contact the skin after particularly uncomfortable
Q:The insulation layer destroyed after use of cement paste and tiling
Put on the insulating layer and paste it with cement.Some students worry about the insulation layer and the wall adhesive strength is not enough, do not worry about, now developers are building exterior insulation and then on top of the tiling. Because after finishing the insulation layer, the contractor should check the construction to do a pullout test, the purpose is to prevent the strength can not meet the requirements.
Q:What are the sizes of lightweight thermal insulation bricks?
Low iron mullite, high aluminum light insulating refractory brick, diatomite insulating refractory brick. Sizes can be customized for ordinary profiled sizes

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