Quality Refractory Insulation Fire Brick

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
10000 m.t./month
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CNBM Alumina Fire Brick are classified according to alumina content ranging from 48% to 90%.

CNBM Alumina Fire Brick are commonly used in blast furnace, hot blast furnace, the roof of electric furnace, teeming ladle, rotary kiln, regenerator, etc.


Insulating Fire Brick Technical index

Product No.

IFB70

IFB60

IFB50

IFB40

Al2O3

68%-72%

58%-62%

48%-52%

38%-40%

Refractoriness (°C )

≥1790

≥1790

≥1790

≥1790

Bulk density (g/cm3)

2.50-2.60

2.35-2.45

2.20-2.30

2.10-2.20

Apparent porosity (%)

22

19-22

17-20

17-20

Cold Crushing strength (kg)

480-510

450-480

430-450

390-430


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.

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

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.


Q:How to reinforce a porous brick foundation?
Pressure grouting method is changed from independent foundation to strip foundation, from strip foundation to raft foundation and pile foundation, from brick strip foundation to concrete strip foundation.
Q:
Yes, insulating fire bricks can be used in kiln car construction. Insulating fire bricks are made from lightweight materials that have excellent insulating properties, such as ceramic fibers or lightweight refractory aggregates. These bricks have low thermal conductivity, which means they can effectively retain heat and prevent heat transfer to the outer surface of the kiln car. Using insulating fire bricks in kiln car construction offers several benefits. Firstly, it helps to reduce heat loss, which improves energy efficiency and lowers fuel consumption. This is particularly important in high-temperature applications like kilns, where maintaining a consistent temperature is crucial. Secondly, insulating fire bricks can help to protect the kiln car from thermal stresses and cracking. Kilns undergo significant temperature changes during firing cycles, and the use of insulating fire bricks can help to minimize thermal shock and extend the lifespan of the kiln car. Furthermore, insulating fire bricks are lightweight compared to traditional refractory bricks, making them easier to handle and install in kiln car construction. This can lead to cost savings in terms of labor and transportation. However, it's important to note that insulating fire bricks have lower strength and durability compared to dense refractory bricks. Therefore, they are typically used in the hot face lining of kilns, while a more robust material is used for the kiln car structure. In conclusion, insulating fire bricks can be effectively used in kiln car construction to improve energy efficiency, protect against thermal stresses, and enhance the overall performance of the kiln.
Q:
The typical weight of an insulating fire brick can vary depending on its size and composition, but it typically ranges from 2 to 4 pounds (0.9 to 1.8 kilograms).
Q:
Insulating fire bricks are known for their exceptional durability and longevity. These bricks are made from high-quality refractory materials, such as alumina and silica, which possess excellent thermal resistance and mechanical strength. As a result, insulating fire bricks can withstand extreme temperatures ranging from 1300°C to 1800°C (2372°F to 3272°F) without losing their structural integrity. The durability of insulating fire bricks can be attributed to several key factors. Firstly, their low thermal conductivity allows them to effectively insulate heat and prevent thermal shock, which is crucial for ensuring their long-term durability. Additionally, the high melting point of the refractory materials used in their production contributes to their ability to withstand intense heat. Moreover, insulating fire bricks are resistant to chemical erosion and corrosion, making them suitable for various industrial applications. They can withstand exposure to harsh chemicals, acids, and alkalis, ensuring their durability even in demanding environments. Furthermore, insulating fire bricks have a low density, making them lightweight and less susceptible to cracking or breaking under pressure. This characteristic enhances their durability and ease of handling during installation or maintenance. Overall, insulating fire bricks are highly durable and can withstand extreme temperatures, thermal shock, chemical erosion, and mechanical stress. Their exceptional durability makes them a preferred choice for applications such as furnaces, kilns, ovens, and other high-temperature environments where thermal insulation and long-lasting performance are essential.
Q:
Yes, insulating fire bricks have a high insulation efficiency. Due to their low thermal conductivity and high heat resistance, they effectively prevent the transfer of heat, thereby providing excellent insulation.
Q:What is the price of thermal insulation brick for exterior wall?
But also depends on how your drawings are made, so as to quote a specific price. There is also the price of each place is not the same, so the quotation will be different.
Q:
Insulating fire bricks can indeed be used in ladle covers. These bricks are specially designed to have low thermal conductivity, which means they can effectively insulate and retain heat. Ladle covers are used in foundries and other high-temperature industries to keep molten metal or other materials hot and prevent heat loss. By using insulating fire bricks in ladle covers, the heat is better retained, resulting in improved energy efficiency and reduced fuel consumption. Additionally, these bricks have high refractory properties, allowing them to withstand the extreme temperatures and thermal shock that ladles are subjected to. Overall, insulating fire bricks are an excellent choice for ladle covers, as they help to maintain temperature stability and conserve heat.
Q:
Yes, insulating fire bricks can be used in high-velocity gas flow applications. Insulating fire bricks are designed to have excellent thermal insulation properties, low thermal conductivity, and high resistance to temperature fluctuations. These characteristics make them suitable for various high-temperature applications, including high-velocity gas flow environments. When exposed to high-velocity gas flow, insulating fire bricks can maintain their structural integrity and insulation properties, providing effective thermal insulation and protection. They are often used in applications such as kilns, furnaces, boilers, and other industrial equipment where high-velocity gas flow is present. However, it is important to consider the specific requirements and characteristics of the gas flow in the application. Factors such as temperature, pressure, and chemical composition of the gas should be taken into account to ensure that the insulating fire bricks are compatible and can withstand the conditions. In summary, insulating fire bricks can be used in high-velocity gas flow applications due to their thermal insulation properties and resistance to temperature fluctuations. However, it is crucial to consider the specific requirements and characteristics of the gas flow to ensure proper compatibility and performance.
Q:
Glass furnaces can indeed utilize insulating fire bricks. These bricks are specifically engineered with low thermal conductivity, rendering them ideal for high-temperature environments such as glass furnaces. The implementation of these bricks aids in the reduction of heat loss from the furnace, consequently enhancing energy efficiency and decreasing operational expenses. Moreover, they offer superior insulation and aid in maintaining consistent temperatures within the furnace, a vital factor in glass production. Furthermore, insulating fire bricks exhibit excellent resistance to thermal shock and can endure the extreme temperatures and rapid temperature fluctuations that are common in glass furnaces. Overall, integrating insulating fire bricks into glass furnaces can result in enhanced furnace performance, heightened productivity, and energy conservation.
Q:
Insulating fire bricks have a general resistance to carbon monoxide attack. They are made from materials that can withstand high temperatures and chemical corrosion, including carbon monoxide. These bricks are commonly used in environments where high temperatures and exposure to gases like carbon monoxide are frequent, such as furnaces, kilns, and fireplaces. The composition of the bricks allows them to endure long periods of exposure to carbon monoxide without deteriorating or reacting with the gas. However, it is important to remember that continuous exposure to extremely high levels of carbon monoxide can eventually harm any material, including insulating fire bricks. Therefore, it is still crucial to ensure proper ventilation and safety precautions when dealing with carbon monoxide in any situation.

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