Insulating Fire Brick with ISO Certificate for Furnace
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000000 m.t./month
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Introduction of insulating firebrick
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 insulating firebrick
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 insulating firebrick
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 insulating firebrick
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 |
FAQ
Q2: What`s the lead time for my order?
A2: It depends on customers’ requirements and our production schedule. And usually we need 30-60 days for refractory bricks,10-25 days for unshaped refractory materials and 10-20 days for ceramic fiber blankets.
Q3: Can you offer Door-to-Door delivery?
A3: Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.
- Q: Are insulating fire bricks resistant to carbon monoxide attack?
- Yes, insulating fire bricks are resistant to carbon monoxide attack. These bricks are designed to withstand high temperatures and are made from materials that have low thermal conductivity. This makes them highly resistant to chemical reactions, including carbon monoxide attack.
- Q: Are insulating fire bricks resistant to gas permeability?
- Yes, insulating fire bricks are resistant to gas permeability. They have low porosity and high density, which prevents the penetration of gases, making them an effective barrier against gas permeation.
- Q: Can insulating fire bricks be used in brick ovens?
- Yes, insulating fire bricks can be used in brick ovens. They are designed to withstand high temperatures and have excellent heat insulation properties, making them suitable for use in brick ovens to help retain and distribute heat evenly.
- Q: Do insulating fire bricks expand and contract with temperature changes?
- Yes, insulating fire bricks do expand and contract with temperature changes.
- Q: Are insulating fire bricks resistant to corrosion?
- Yes, insulating fire bricks are resistant to corrosion.
- Q: Can insulating fire bricks be used in the construction of melting furnaces?
- Yes, insulating fire bricks can be used in the construction of melting furnaces. Insulating fire bricks are designed to withstand high temperatures and have excellent thermal conductivity. They are specifically engineered to reduce heat loss and conserve energy, making them ideal for use in melting furnaces. In addition, insulating fire bricks are lightweight and easy to handle, making them convenient for construction purposes. They can effectively retain heat and maintain a stable temperature within the furnace, ensuring efficient melting and casting processes. Furthermore, insulating fire bricks are resistant to chemical corrosion and mechanical stress, making them durable and reliable for long-term use in melting furnaces. Overall, insulating fire bricks are a suitable choice for constructing melting furnaces due to their thermal properties, ease of use, and durability.
- Q: Can insulating fire bricks be used for insulation in gas furnaces?
- Yes, insulating fire bricks can be used for insulation in gas furnaces. Insulating fire bricks are made from lightweight materials such as clay and other minerals, which have excellent insulating properties. They are designed to withstand high temperatures and are commonly used in industrial applications, including gas furnaces. These bricks help to minimize heat loss, improve energy efficiency, and maintain high temperatures within the furnace. Additionally, insulating fire bricks are resistant to thermal shock and can withstand the corrosive effects of gases and chemicals present in gas furnaces. Therefore, they are a suitable choice for insulation in gas furnaces.
- Q: How thick should the insulation layer be when using insulating fire bricks?
- The thickness of the insulation layer when using insulating fire bricks depends on the specific application and desired level of insulation. However, a common recommendation is to have a minimum insulation layer thickness of at least 2 inches (5 centimeters) to effectively reduce heat transfer and provide adequate thermal insulation.
- Q: Are insulating fire bricks resistant to oil or chemical spills?
- Yes, insulating fire bricks are resistant to oil or chemical spills. These bricks are designed to withstand high temperatures and are made from materials that are chemically inert, which makes them highly resistant to the corrosive effects of oil or chemicals. This property makes insulating fire bricks an excellent choice for applications where exposure to oil or chemical spills is expected.
- Q: Can insulating fire bricks be used for insulation in power generation plants?
- Insulation in power generation plants can be achieved by utilizing insulating fire bricks. These bricks are specifically designed to have low thermal conductivity, making them ideal for applications that require high-temperature insulation. Given the high temperatures at which power generation plants operate, efficient insulation is crucial to minimize heat loss and enhance energy efficiency. Insulating fire bricks are crafted from lightweight materials like clay, alumina, and silica, all of which possess exceptional insulating properties. These bricks can endure extreme temperatures ranging from 1260°C to 1790°C (2300°F to 3250°F), depending on their specific composition and grade. Consequently, they are suitable for the intense heat conditions typically encountered in power generation plants. Moreover, insulating fire bricks exhibit resistance to thermal shock, which is particularly significant in power generation plants due to the frequent and intense heating and cooling processes. The ability of these bricks to withstand thermal shock ensures the durability of the insulation, minimizing the need for frequent replacements and maintenance. In addition to their outstanding thermal insulation properties, insulating fire bricks offer other advantages. They are lighter in weight compared to traditional refractory bricks, making them easier to handle and install. This feature can save time and labor during construction or maintenance tasks in power generation plants. All in all, insulating fire bricks are a reliable and efficient choice for insulation in power generation plants. They provide high-temperature insulation, resistance to thermal shock, and easy installation, making them an ideal solution to enhance the energy efficiency and performance of power generation facilities.
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Insulating Fire Brick with ISO Certificate for Furnace
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 m.t.
- Supply Capability:
- 1000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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