Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 23
- Ref Price:
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
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Okorder series heat insulation brick
Okorder series thermal insulation brick is an effective, energy saving, low carbon, environmental protection advanced, according to the ASTM standard manufacturing products. Okorder series products have all kinds of materials in the field of metallurgy, industrial furnaces, aluminum, the best Li Ning petrochemical and insulation, electric power and glass ceramics. They can be used as part of an insulation or not to melt. Products have been widely used in the following furnace, achieved satisfactory results.
Application of heat preservation brick
Metallurgical Industry: blast furnace, hot blast furnace, heating furnace, etc..
Petrochemical Industry: ethylene cracking furnace, hydrogen furnace, the main furnace, heating furnace, etc..
Ceramic industry: roller kiln, kiln, etc..
Glass industry: glass furnace regenerator, etc.
Carbon industry: carbon furnace, etc..
Aluminum electrolysis industry: aluminum reduction cell, etc.
Other industries: tunnel kiln, shuttle kiln, etc..
Advantages of heat insulation brick
Low thermal conductivity: many air holes will bring good thermal insulation effect, energy saving.
High crushing strength: high crushing strength, volume stability.
Low heat storage: small heat storage, absorb more heat, energy-saving effect is obvious.
Chundu: High-speed Rail, low content of alkali metal impurities.
Accuracy: the size of the brick machining precision, cutting and grinding the special shape, speed up the brick.
Technical Data
ITEM | GJM30 | GJM28 | GJM26 | GJM23 |
Classification Temperature, ℉/℃ | 3000/1650 | 2800/1540 | 2600/1430 | 2300/1260 |
Bulk Density，g/cm³ | ≤1.0 | ≤0.9 | ≤0.8 | ≥0.5 |
Reheating Linear Change, % | ≤0.9 (1550℃,12 h) | ≤0.8 (1510℃,12 h) | ≤0.7 (1410℃,12 h) | ≤0.5 (1230℃,12 h) |
Al2O3 Content, % | ≥75 | ≥65 | ≥55 | ≥45 |
Fe2O3 Content, % | ≤0.5 | ≤0.6 | ≤0.7 | ≤1.0 |
Thermal Conductivity: | ||||
800℃, w/m.k | ≤0.39 | ≤0.37 | ≤0.35 | ≤0.18 |
1000℃, w/m.k | ≤0.43 | ≤0.41 | ≤0.39 | ≤0.20 |
1200℃, w/m.k | ≤0.48 | ≤0.46 | ≤0.43 | --- |
Insulating brick
- Q: Are insulating fire bricks resistant to thermal expansion or contraction?
- Yes, insulating fire bricks are resistant to thermal expansion and contraction. These bricks are made of materials that have low thermal conductivity, allowing them to withstand high temperatures without undergoing significant expansion or contraction. This property makes them ideal for applications where thermal stability and insulation are required, such as in kilns, furnaces, and other high-temperature environments.
- Q: Do insulating fire bricks require any special storage conditions?
- Yes, insulating fire bricks require special storage conditions. They should be stored in a dry and well-ventilated area to prevent moisture absorption, which could lead to cracking or damage when exposed to high temperatures. Additionally, they should be protected from direct sunlight and extreme temperature variations to maintain their structural integrity.
- Q: Can insulating fire bricks be used in contact with molten metals?
- Yes, insulating fire bricks can be used in contact with molten metals. Insulating fire bricks are designed to handle high temperatures and can withstand the heat generated by molten metals. They have excellent insulation properties and can effectively protect against heat transfer, making them suitable for various applications involving molten metals.
- Q: Can insulating fire bricks be used in wood-fired kilns?
- Yes, insulating fire bricks can be used in wood-fired kilns. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for wood-fired kilns. They help to retain heat and distribute it evenly throughout the kiln, ensuring efficient and consistent firing of the wood. Additionally, insulating fire bricks are lightweight, which can aid in the construction and maintenance of the kiln. Overall, using insulating fire bricks in wood-fired kilns can enhance their performance and efficiency.
- Q: Can insulating fire bricks be used in the construction of melting furnaces?
- Insulating fire bricks can indeed be utilized in the construction of melting furnaces. These bricks are specifically designed to withstand high temperatures while possessing excellent thermal conductivity. Their primary purpose is to minimize heat loss and conserve energy, rendering them highly suitable for melting furnaces. Additionally, these bricks are lightweight and easily manageable, providing convenience during construction. They are also capable of effectively retaining heat and maintaining a steady furnace temperature, thus ensuring efficient melting and casting processes. Moreover, insulating fire bricks exhibit resistance to chemical corrosion and mechanical stress, showcasing their durability and reliability for long-term use in melting furnaces. In conclusion, considering their thermal properties, ease of use, and durability, insulating fire bricks are a fitting choice for constructing melting furnaces.
- Q: Are insulating fire bricks resistant to saltwater?
- No, insulating fire bricks are not resistant to saltwater.
- Q: Are insulating fire bricks resistant to weathering or aging?
- Yes, insulating fire bricks are generally resistant to weathering and aging. These bricks are designed to withstand high temperatures and harsh conditions, making them durable and long-lasting. They are often used in applications where exposure to extreme weather, such as rain, snow, and sunlight, is common. However, it is important to note that the specific composition and quality of the bricks can vary, so it is advisable to consult the manufacturer or supplier for detailed information regarding their weathering and aging resistance properties.
- Q: Are insulating fire bricks resistant to ultraviolet radiation?
- No, insulating fire bricks are not resistant to ultraviolet radiation.
- Q: Do insulating fire bricks require any special installation techniques?
- Special installation techniques are necessary for insulating fire bricks. These bricks are designed to offer excellent thermal insulation, so proper installation is essential for optimal performance. To begin, it is crucial to have a clean and debris-free installation surface. This creates a strong and stable foundation for the bricks. Afterward, it is important to use a suitable refractory mortar or adhesive to secure the bricks in place. This mortar should be specifically designed for high-temperature applications and capable of withstanding thermal expansion and contraction during heating and cooling cycles. During installation, attention should be given to filling the joints between the bricks with mortar. This prevents heat loss and maintains the insulating properties of the bricks. Furthermore, careful stacking and alignment of the insulating fire bricks is necessary to ensure a tight fit and minimize gaps. This maximizes insulation and prevents heat leakage. Lastly, it is advisable to consult the manufacturer's guidelines and follow their recommended installation techniques. Different types of insulating fire bricks may have specific requirements that must be adhered to for proper installation. In summary, insulating fire bricks demand special installation techniques to ensure their effectiveness and longevity. Following proper installation practices will enhance the thermal insulation properties of these bricks and optimize their performance.
- Q: Can insulating fire bricks be used for kiln furniture?
- Indeed, kiln furniture can be fashioned from insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures and are frequently employed in industrial kilns and furnaces. Their exceptional thermal insulation characteristics render them perfect for crafting kiln furniture like shelves, posts, and supports. The insulating attributes of these bricks aid in the uniform dispersion of heat throughout the kiln, guaranteeing consistent heating of the items being fired. Furthermore, insulating fire bricks possess a lightweight composition and are effortlessly manageable, thereby making them a convenient selection for kiln furniture.
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Insulating Fire Brick - Refractory Mullite Insulating Refractory Brick JM 23
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
OKorder Service Pledge
OKorder Financial Service
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