SK-34 Insulating Fire Brick

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Supply Capability:: -

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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

$SK-34 refractory brick$

Q: Can insulating fire bricks be used in the construction of BBQ pits?: Indeed, the utilization of insulating fire bricks is feasible for the construction of BBQ pits. These bricks are specifically engineered to endure extreme temperatures and possess exceptional heat resistance attributes, rendering them perfectly suited for BBQ pit applications. By incorporating these bricks, heat is effectively captured and evenly dispersed, leading to improved cooking efficiency and a more enjoyable BBQ experience. Moreover, the inclusion of insulating fire bricks aids in minimizing heat dissipation, guaranteeing that the BBQ pit retains and sustains heat for an extended duration. All in all, the integration of insulating fire bricks significantly enhances the overall performance and longevity of the BBQ pit.

Q: What is the difference between insulating fire bricks and regular fire bricks?: Insulating fire bricks are designed to have lower thermal conductivity, allowing them to retain heat more effectively and prevent heat loss. Regular fire bricks, on the other hand, have higher thermal conductivity as they are primarily used for structural purposes and to withstand high temperatures.

Q: Can insulating fire bricks be recycled or reused?: Yes, insulating fire bricks can be recycled or reused. Insulating fire bricks are made from various materials such as alumina, silica, and clay, which can be broken down and reused in the production of new bricks. Recycling these bricks involves crushing them into a fine powder and then mixing it with other raw materials to create new bricks. Reusing insulating fire bricks is also possible in certain applications. For example, if the bricks are still in good condition and have not been damaged, they can be removed from one structure and used in another. This reduces waste and saves resources. Overall, whether through recycling or reusing, insulating fire bricks can have a second life and contribute to a more sustainable and environmentally-friendly construction industry.

Q: Can insulating fire bricks be used in outdoor fire pits?: Yes, insulating fire bricks can be used in outdoor fire pits. Insulating fire bricks are designed to withstand high temperatures, making them suitable for use in fire pits. They are made from materials that are resistant to heat, such as ceramic fibers or refractory materials, which helps to retain the heat within the fire pit. Additionally, insulating fire bricks are lightweight and easy to install, making them a convenient choice for outdoor fire pits. However, it is important to note that insulating fire bricks may not be as durable as regular fire bricks, so they may require more frequent replacement if exposed to extreme temperatures or harsh weather conditions.

Q: Can insulating fire bricks be used for insulation in furnaces?: Yes, insulating fire bricks can be used for insulation in furnaces. These bricks are designed to withstand high temperatures and provide excellent thermal insulation, making them suitable for use in furnaces to reduce heat loss and increase energy efficiency.

Q: Do insulating fire bricks require curing after installation?: No, insulating fire bricks do not require curing after installation. They are ready to use once installed.

Q: Can insulating fire bricks be used in contact with molten metal?: Yes, insulating fire bricks can be used in contact with molten metal. Insulating fire bricks are specially designed to withstand high temperatures and are commonly used in industrial applications where they come into contact with molten metal. These bricks have a high resistance to thermal shock and are able to withstand the intense heat generated by molten metal. Additionally, insulating fire bricks have low thermal conductivity, which helps to minimize heat loss and improve energy efficiency. However, it is important to ensure that the specific type of insulating fire brick being used is suitable for the particular type of molten metal and the temperature range it will be exposed to, as different metals have different melting points and may require more specialized refractory materials.

Q: Can insulating fire bricks be used in wastewater treatment plants?: Yes, insulating fire bricks can be used in wastewater treatment plants. Insulating fire bricks are designed to withstand high temperatures, making them suitable for use in various industrial applications, including wastewater treatment plants. They are commonly used in the construction of kilns, furnaces, and other high-temperature equipment. In wastewater treatment plants, insulating fire bricks can be used in the construction of incinerators, thermal oxidizers, and other systems that require high-temperature insulation. Their properties, such as high thermal resistance, low thermal conductivity, and excellent insulation capabilities, make them ideal for maintaining the desired temperatures in these systems while minimizing heat loss. Additionally, insulating fire bricks are resistant to chemical attacks, which is important in wastewater treatment plants where various chemicals and corrosive substances are present. Overall, the use of insulating fire bricks in wastewater treatment plants can help improve energy efficiency, reduce maintenance costs, and ensure the longevity of high-temperature equipment.

Q: Can insulating fire bricks be used in kilns or furnaces?: Yes, insulating fire bricks can be used in kilns or furnaces. Insulating fire bricks are designed specifically to withstand high temperatures and thermal shock, making them ideal for use in kilns or furnaces. They have excellent insulating properties, which help to conserve heat and improve energy efficiency. Additionally, insulating fire bricks are lightweight and easy to install, making them a popular choice for lining the walls and floors of kilns or furnaces. Overall, insulating fire bricks are a reliable and effective solution for maintaining high temperatures and ensuring optimal performance in kilns or furnaces.

Q: Can insulating fire bricks be custom-made?: Yes, insulating fire bricks can be custom-made. Insulating fire bricks are typically made from lightweight materials such as vermiculite, perlite, or refractory fibers, which can be easily molded into various shapes and sizes. This flexibility allows manufacturers to create custom-made insulating fire bricks to meet specific requirements and applications. Customization options may include variations in dimensions, thermal conductivity, compressive strength, and density. By tailoring the composition and design of insulating fire bricks, they can be optimized for specific temperature ranges, insulation requirements, and environmental conditions. Therefore, customers can work with manufacturers to develop custom solutions that best suit their unique needs.

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