High Alumina Insulating Fire Brick System 1

High Alumina Insulating Fire Brick

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Specifications

Fire brick
1.ISO 9001 approved,
2.With high quality and competitive price,
3.Standard and special shape.

Fire-clay refractory brick.
1. N-1
AL2O3 (%)>42
Refractoriness >1750
Refractoriness under load KD>1400
Permanent linear change onreheating
1500*2h
1450*2h
1400*2h:+0.1; -0.4
Apparent Porosity(%)<22
Cold crushing strength (Mpa)>29.4

2. N-2a
AL2O3 (%)>40
Refractoriness >1730
Refractoriness under load KD>1350
Permanent linear change onreheating
1500*2h
1450*2h
1400*2h:+0.1; -0.5
Apparent Porosity(%)<24
Cold crushing strength (Mpa)>24.5

High-alumina refractory brick
1. LZ-75
AL2O3 (%)>75
Refractoriness>1790
Refractoriness under load KD>1520
Permanent linear change onreheating
1500*2h:+0.1; -0.4
1450*2h
1400*2h
Apparent Porosity(%)<23
Cold crushing strength (Mpa)>53.9

2. LZ-65
AL2O3 (%)>65
Refractoriness >1790
Refractoriness under load KD>1500
Permanent linear change onreheating
1500*2h:+0.1; -0.4
1450*2h
1400*2h
Apparent Porosity(%)<23
Cold crushing strength (Mpa)>49

3.LZ-55
AL2O3 (%)>55
Refractoriness >1770
Refractoriness under load KD>1470
Permanent linear change onreheating
1500*2h:+0.1; -0.4
1450*2h
1400*2h
Apparent Porosity(%)<22
Cold crushing strength (Mpa)>44.1

4.LZ-48
AL2O3 (%)>48
Refractoriness >1750
Refractoriness under load KD>1420
Permanent linear change onreheating
1500*2h
1450*2h:+0.1; -0.4
1400*2h
Apparent Porosity(%)<22
Cold crushing strength (Mpa)>39.2

Fire clay brick SK-32
Item	Standard
AI2O3(%)	30
Fe2O3 (%)	3.5
Refractoriness (SK)	32
Refractoriness under load, 0.2MPa, Ta, (°C)	1300
Porosity (%)	22-26
Bulk density (g/cm³)	2.05
Cold crushing strength (MPa)	25
Thermal expansion at 1000°C (%)	0.6

Fire clay brick SK-34
Item	Standard
AI2O3(%)	38
Fe2O3 (%)	2.5
Refractoriness (SK)	34
Refractoriness under load, 0.2MPa, Ta, (°C)	1350
Porosity (%)	19-23
Bulk density (g/cm³)	2.10-2.15
Cold crushing strength (MPa)	25
Thermal expansion at 1000°C (%)	0.6

Fire clay brick SK-36
Item	Standard
AI2O3(%)	50
Fe2O3 (%)	2
Refractoriness (SK)	36
Refractoriness under load, 0.2MPa, Ta, (°C)	1450
Porosity (%)	20-24
Bulk density (g/cm³)	2.30-2.40
Cold crushing strength (MPa)	45
Thermal expansion at 1000°C (%)	0.3

$High alumina refractories brick$

Q: Are insulating fire bricks resistant to thermal stress?: Insulating fire bricks have the ability to resist thermal stress. These bricks are specifically designed to endure high temperatures and fluctuations without cracking or breaking. They are constructed from refractory materials that possess exceptional thermal insulation properties and can tolerate extreme heat. Insulating fire bricks possess a low thermal conductivity, allowing them to effectively resist heat transfer and maintain their structural integrity even when exposed to rapid temperature changes. They find common applications in kilns, furnaces, and fireplaces, where thermal stress is a major concern. In essence, insulating fire bricks are engineered to offer dependable and long-lasting insulation while enduring the thermal stress associated with high-temperature environments.

Q: Can insulating fire bricks be used in the construction of aluminum smelting furnaces?: Yes, insulating fire bricks can be used in the construction of aluminum smelting furnaces. These bricks have excellent thermal insulation properties, allowing them to withstand high temperatures without transferring heat to the surrounding environment. This makes them suitable for lining the walls and floors of aluminum smelting furnaces, helping to maintain the desired temperature inside the furnace while minimizing heat loss.

Q: Can activated carbon be antiseptic?: Activated carbon is mainly with adsorption properties, there is no direct anti-corrosion effect.

Q: Can insulating fire bricks be used in ladles and tundishes?: Insulating fire bricks prove to be suitable for ladles and tundishes as they are specifically designed to offer high-temperature insulation and thermal stability. These bricks are essential in applications where heat retention plays a pivotal role. Ladles and tundishes are extensively utilized in the steel and foundry sectors for the transportation and pouring of molten metal. By utilizing insulating fire bricks in these vessels, one can effectively minimize heat loss and maintain the desired temperature of the metal. Moreover, these bricks exhibit resilience towards thermal shock and chemical corrosion, which are common obstacles in such extreme temperature environments. Consequently, the utilization of insulating fire bricks in ladles and tundishes ultimately enhances energy efficiency, reduces heat loss, and improves the overall performance and lifespan of these vital pieces of equipment in the metal processing industry.

Q: Can insulating fire bricks be used in the construction of hot air generators?: Yes, insulating fire bricks can be used in the construction of hot air generators. Insulating fire bricks are designed to withstand high temperatures and provide excellent thermal insulation. Their ability to retain heat makes them ideal for use in hot air generators, as they help to minimize heat loss and improve energy efficiency.

Q: Are insulating fire bricks easy to handle and install?: Insulating fire bricks are known for their ease of handling and installation. They possess a lightweight composition, enabling effortless transportation and portability. Furthermore, their user-friendly design, in terms of shape and size, facilitates simple manipulation and installation. The majority of insulating fire bricks are equipped with pre-drilled holes or grooves, further streamlining the installation process. Moreover, these bricks offer high versatility as they can be easily cut or shaped to accommodate specific dimensions or requirements. As a result, even individuals with limited expertise or familiarity in masonry work find insulating fire bricks to be manageable and straightforward to handle and install.

Q: Do insulating fire bricks have a high resistance to creep?: Insulating fire bricks possess a notable resistance to creep, indicating their ability to resist deformation over time when subjected to a consistent load or stress. Their design enables them to endure high temperatures and retain their form and integrity despite prolonged exposure to heat. These bricks are composed of lightweight refractory materials like clay, which exhibit low thermal conductivity and exceptional resistance to thermal shock. The amalgamation of these characteristics empowers insulating fire bricks to withstand creep and uphold their structural stability, even in the most challenging and extreme circumstances.

Q: Do insulating fire bricks require special installation techniques?: Yes, insulating fire bricks do require special installation techniques. These bricks are designed to withstand high temperatures and provide insulation, so proper installation is crucial to ensure their effectiveness. Special attention needs to be given to factors such as mortar selection, brick alignment, and proper curing to achieve optimal thermal performance.

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 hydrogen furnaces?: Yes, insulating fire bricks can be used in hydrogen furnaces. These bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for use in hydrogen furnaces where extreme heat is involved.

Send your message to us

*Email

*TEL

*Quantity

*Unit