• High Quality Refractory Mullite Insulating Fire Brick System 1
  • High Quality Refractory Mullite Insulating Fire Brick System 2
  • High Quality Refractory Mullite Insulating Fire Brick System 3
High Quality Refractory Mullite Insulating Fire Brick

High Quality Refractory Mullite Insulating Fire Brick

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
10000 m.t./month

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CNBM conforms strictly to the requirements of ISO 9000 quality control system during the production. MSDS is also available if you want. The thermal insulation fire clay brick meet with the requirements of ASTM & JIS standards. So please stay cool with our quality.

Application

Insulating Fire Brick are used for the lining of converter, alternating current arc furnace, direct Current arc furnace and the ladle slag line, etc.

Insulating Fire Brick Technical index

                     Brand

Quality

JM23

JM26

JM28

JM30

JM32   

Bulk Density (g/cm3)

0.52

0.78

0.88

1.03

1.25

Cold Crushing Strength (Mpa)

1.2

1.6

2.1

2.5

3.5

Modulus of Rupture (Mpa)

0.9

1.4

1.6

2.1

2.1

Reheating Linear Change (%)

1230

-0.5

1400

-0.4

1510

 -0.5

1620 -0.9

1730

-0.9

Thermal Expansion

1100%

 

0.5

 

0.7

 

0.8

 

0.9

 

1.1

Thermal conductivityW/m.k

 

400

0.14

0.27

0.32

0.41

0.49

600

0.16

0.29

0.34

0.43

0.50

800

0.18

0.31

0.36

0.44

0.51

1000

0.20

0.33

0.38

0.45

0.53

Al2O3

37

58

67

73

77

Fe2O3

0.7

0.7

0.6

0.5

0.4

Equipment 

1 unit of Ceramic Abrasive (SG Abrasive) pilot production line

2 units of Compact grain Abrasive pilot production lines

1 unit of high-end coated abrasives (abrasive cloth) production line

2 units of Boron Carbide production lines

3 large flexible crushing and sieving lines for grit production lines

2 units of 2000KVA furnaces for Boron Carbide fusion

6 units of 5000KVA-10000KVA dumping type electric arc furnaces for Brown Fused Alumina fusion

Company Advantage

(1)Long Insulating Fire Brick manufacture history: 25 years manufacturer 

(2)Advanced equipment

(3)Diversification of production standards: ISO ANSI FEPA JIS ASTM

(4)Flexible payment: T/T L/C D/P D/A

(5)Professional marketing team and after-sale service

(6)Free sample

 

FAQs

 

Q1

 

What’s the transport method?

 

A1

FCL delivery goods with wooden pallet or   wooden case by sea; If LCL delivery, must with wooden case; Sometimes need   open top, flat rack or bulk cargo.

 

Q2

 

What’s the required payment term?

 

A2

Generally 30% TT as the prepayment, 70% TT   before delivery. If need, 100% Irrevocable Letter of Credit or negotiation.

 

Q3

 

Which country are our products exported to?

 

A3

Apart from entire Chinese market, the US,   Russia, Japan, Korea, Australia and some Southeast Asian Nations.

 

High Quality Refractory Mullite Insulating Fire Brick

High Quality Refractory Mullite Insulating Fire Brick

 

 

 


Q:Can insulating fire bricks be used for insulation in gas furnaces?
Yes, insulating fire bricks can be used for insulation in gas furnaces. They are designed to withstand high temperatures and provide excellent insulation properties, making them suitable for use in gas furnaces to improve energy efficiency and enhance overall performance.
Q:Are insulating fire bricks resistant to thermal spalling?
Insulating fire bricks exhibit resistance to thermal spalling, which is the process of a material cracking or fracturing as a result of abrupt fluctuations in temperature or thermal shock. These bricks are specifically engineered to endure elevated temperatures and thermal cycling without spalling. Their low thermal conductivity allows for efficient insulation against heat transfer, thereby reducing the strain caused by thermal expansion and contraction. Moreover, the composition and structure of insulating fire bricks are meticulously designed to offer outstanding protection against thermal spalling, rendering them a dependable option for applications involving intense heat conditions.
Q:Do insulating fire bricks require any special storage conditions?
Insulating fire bricks do not require any special storage conditions. These bricks are designed to withstand high temperatures and are typically made from materials such as clay or silica that are resistant to heat. However, it is always recommended to store insulating fire bricks in a dry and covered area to prevent any moisture absorption or damage. Additionally, it is important to handle these bricks with care to avoid any breakages or cracks that may affect their insulation properties. Overall, as long as the bricks are stored in a dry and protected environment, there are no specific special storage conditions required for insulating fire bricks.
Q:Are insulating fire bricks resistant to insects and rodents?
No, insulating fire bricks are not specifically designed to be resistant to insects and rodents. While these bricks are primarily used for their excellent thermal insulation properties in high-temperature applications such as furnaces and kilns, they do not possess any inherent resistance to pests. If you are concerned about insects or rodents, it is recommended to implement additional pest control measures such as sealing any gaps or cracks and using appropriate pest deterrents.
Q:What materials are used for roof insulation?
The other one is inorganic insulation materials, such as Portland, rare earth insulation, the thickness should be 5 cm or more, up to the high cost of auxiliary materials of construction, to reinforce, new inorganic insulation material, the material thickness, on the line of 2-3 cm, direct smear on the top of the house, without auxiliary material, than the price of wool, high aluminum silicate cotton.
Q:Can insulating fire bricks be used in chimney liners?
Yes, insulating fire bricks can be used in chimney liners. They are designed to withstand high temperatures and provide insulation, making them suitable for use in chimneys to improve efficiency and prevent heat loss.
Q:Can insulating fire bricks be used in the construction of cremation chambers?
Yes, insulating fire bricks can be used in the construction of cremation chambers. These bricks are designed to withstand high temperatures and provide excellent insulation, which is crucial in maintaining the desired temperature and preventing heat loss during the cremation process.
Q:Can insulating fire bricks be used in high-temperature kilns and furnaces?
High-temperature kilns and furnaces can indeed utilize insulating fire bricks. These bricks are specifically designed to endure extreme heat and offer remarkable insulation properties. They consist of lightweight refractory materials, including clay and silica, which possess high melting points and low thermal conductivity. By effectively retaining heat, these bricks decrease energy loss and enhance the efficiency of the kiln or furnace. Moreover, insulating fire bricks exhibit excellent resistance to thermal shock, enabling them to withstand rapid temperature fluctuations without cracking or breaking. Consequently, they are well-suited for high-temperature applications that involve frequent heating and cooling cycles in kilns or furnaces. All in all, insulating fire bricks represent an ideal choice for insulating and safeguarding high-temperature kilns and furnaces.
Q:Are insulating fire bricks resistant to high-pressure environments?
Insulating fire bricks are not specifically designed to withstand high-pressure environments. While they are known for their excellent thermal insulation properties and resistance to high temperatures, their ability to withstand pressure is limited. Insulating fire bricks are typically used in low-pressure applications where their insulating properties are more important than their ability to withstand pressure. If a high-pressure environment is a concern, it is recommended to use other types of refractory bricks specifically designed for such conditions, like dense fire bricks or high-alumina bricks, which offer superior strength and resistance to pressure.
Q:Are insulating fire bricks resistant to acid or alkali attacks?
Insulating fire bricks are generally resistant to acid attacks but may not be highly resistant to alkali attacks.

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