SK-34 Insulating Fire Brick

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Payment Terms:: TT OR LC

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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 as a lining for boilers?: Indeed, boilers can make use of insulating fire bricks as linings. These bricks are specifically engineered to endure extreme temperatures and possess outstanding thermal insulation capabilities. Their prevalent application lies in contexts where conserving heat and promoting energy efficiency are paramount, notably in industrial boiler settings. The insulating properties inherent in these bricks facilitate the reduction of heat dissipation and enhance the overall efficiency of the boiler. Furthermore, their robustness and ability to withstand thermal shock render them fitting for deployment within boiler linings, where they can endure the harshest conditions and temperature fluctuations.

Q: Can insulating fire bricks be used in the construction of BBQ pits?: Yes, insulating fire bricks can be used in the construction of BBQ pits. Insulating fire bricks are designed to withstand high temperatures and have excellent heat resistance properties, making them ideal for use in BBQ pits. These bricks help trap and distribute heat evenly, resulting in more efficient cooking and a better BBQ experience. Additionally, insulating fire bricks also help to reduce heat loss, ensuring that the BBQ pit retains and maintains heat for a longer period. Overall, using insulating fire bricks in the construction of BBQ pits can greatly enhance the performance and longevity of the pit.

Q: Are insulating fire bricks resistant to moisture or water damage?: Yes, insulating fire bricks are resistant to moisture or water damage. They are designed to withstand high temperatures and do not absorb water, making them a suitable choice for applications where moisture or water exposure is a concern.

Q: Are insulating fire bricks resistant to carbon dioxide?: Yes, insulating fire bricks are resistant to carbon dioxide.

Q: How do insulating fire bricks affect the overall durability of a structure?: Insulating fire bricks play a crucial role in enhancing the overall durability of a structure. These bricks are designed to have a low thermal conductivity, which means they are effective in resisting heat transfer. By reducing the amount of heat that passes through the bricks, they help to maintain a stable temperature within the structure, protecting it from extreme temperature variations. One of the key benefits of insulating fire bricks is their ability to withstand high temperatures. They have a high melting point, which allows them to retain their structural integrity even in the presence of intense heat. This quality is particularly important in structures where high temperatures are generated, such as furnaces or kilns. The ability of insulating fire bricks to handle such extreme temperatures greatly contributes to the durability of the structure. Furthermore, insulating fire bricks offer excellent insulation properties. Their low thermal conductivity prevents heat from escaping or entering the structure, leading to energy efficiency. This not only reduces energy consumption but also protects the structure from potential damage caused by excessive heat loss. By maintaining a consistent temperature, insulating fire bricks prevent thermal expansion and contraction, which can lead to cracks and structural instability. In addition to their heat resistance and insulation properties, insulating fire bricks are also known for their resistance to chemical corrosion. Many structures are exposed to harsh environments or chemicals that can cause degradation. However, insulating fire bricks are made from materials that are resistant to chemical reactions, ensuring their durability and longevity. Overall, the use of insulating fire bricks significantly enhances the durability of a structure. Their ability to withstand high temperatures, provide insulation, and resist chemical corrosion make them a valuable component in various industrial and residential applications. By ensuring a stable and protected environment, insulating fire bricks contribute to the long-lasting and reliable performance of the structure.

Q: Do insulating fire bricks emit any toxic fumes when heated?: Insulating fire bricks, also referred to as refractory bricks, have been designed to endure high temperatures and are commonly utilized in furnaces and kilns. These bricks are constructed from materials with low thermal conductivity, thus impeding the transfer of heat easily. When subjected to heat, insulating fire bricks do not discharge any toxic fumes. This is due to their composition, typically consisting of non-toxic substances like clay or silica. These materials possess chemical stability and do not release any harmful gases or substances when exposed to elevated temperatures. It is significant to acknowledge that although insulating fire bricks themselves do not emit toxic fumes, the substances undergoing heating inside the furnace or kiln may generate fumes or gases that could pose health hazards. Therefore, it is vital to adequately ventilate the area and adhere to safety guidelines when working with any materials that could release toxic fumes during the heating process. In conclusion, insulating fire bricks, made from non-toxic materials, do not emit toxic fumes when heated. Nevertheless, it is essential to ensure proper ventilation and follow safety precautions when working with materials that may emit hazardous fumes.

Q: Are insulating fire bricks resistant to insects and rodents?: Insulating fire bricks do not have a specific design to resist insects and rodents. Although these bricks are mainly utilized for their exceptional thermal insulation properties in high-temperature settings like furnaces and kilns, they lack inherent resistance against pests. In case you have worries about insects or rodents, it is advisable to incorporate supplementary pest control methods such as sealing gaps or cracks and employing suitable pest deterrents.

Q: Are insulating fire bricks suitable for use in wood-fired ovens?: Yes, insulating fire bricks are suitable for use in wood-fired ovens. These bricks are specifically designed to withstand high temperatures, making them ideal for use in ovens or other heat-intensive applications. Insulating fire bricks have excellent thermal insulation properties, which helps to retain heat inside the oven and ensures a more efficient cooking process. Additionally, these bricks have a low thermal conductivity, meaning they transfer less heat to the external surfaces, resulting in a safer and more comfortable cooking experience. Therefore, using insulating fire bricks in wood-fired ovens can provide better heat retention, energy efficiency, and improved overall performance.

Q: Is it possible to cut insulating fire bricks to fit custom shapes?: Cutting insulating fire bricks to fit custom shapes is indeed possible. These bricks, composed of lightweight materials like ceramic fiber, can be easily cut or shaped using a range of tools. Cutting methods typically involve a saw, knife, or even a hot wire cutter. However, it is crucial to prioritize safety precautions and wear protective gear while undertaking this task. Dust and sharp edges may be produced during the cutting process. By employing suitable tools and techniques, it becomes achievable to tailor insulating fire bricks to any desired custom shape.

Q: Can insulating fire bricks be used for kiln furniture?: Yes, insulating fire bricks can be used for kiln furniture. Insulating fire bricks are lightweight, have high insulating properties, and can withstand high temperatures, making them suitable for use as shelves, posts, or supports in kilns. They help to conserve energy, improve heat distribution, and protect the kiln structure.

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