High-Quality Insulating Fire Brick

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Packaging Detail:	wooden pallet packing
Delivery Detail:	within 20 days

Product Description

Refractory brick

1) Good thermal shock resistance
2) High-temperature endurable
3) Good thermal insulation

4)the using tempreture is 1450 C

Physiochemical index

Item	Fireclay brick		High Alumina Brick
Item	SK32	SK34	SK35	SK36	SK37	SK38
Al2O3 (%) ≥	35	42	48	55	65	75
Refractoriness (oC) ≥	1670	1730	1750	1770	1790	1790
Refractoriness under Load, oC,0.2MPa ≥	1250	1300	1420	1470	1500	1520
Linear Change(%),oC×2h	1350	1350	1450	1500	1500	1500
Linear Change(%),oC×2h	-0.5~0	-0.5~0	-0.4~+0.1	-0.4~+0.1	-0.4~+0.1	-0.4~+0.1
Porosity (%)≤	24	22	20	20	19	19
Cold Crushing Strength, MPa≥	20	30	39.2	44.1	49	53.9

Q: Are insulating fire bricks resistant to abrasion or wear?: Yes, insulating fire bricks are resistant to abrasion or wear. These bricks are made from high-quality refractory materials, such as alumina or silica, which have excellent resistance to abrasion. The manufacturing process involves high-temperature firing, which strengthens the bricks and enhances their durability. Insulating fire bricks are specifically designed to withstand the harsh conditions of high-temperature applications, such as furnaces, kilns, and fireplaces. They are highly resistant to thermal shock, chemical erosion, and mechanical wear. This makes them a reliable choice for insulating and protecting the inner walls of these structures, ensuring long-lasting performance and minimizing the need for frequent replacements.

Q: Do insulating fire bricks have a high thermal stability?: Insulating fire bricks possess a remarkable level of thermal stability, as they are specifically engineered to endure elevated temperatures without degradation or the loss of their insulating properties. Crafted from top-notch refractory materials capable of withstanding extreme temperatures, these bricks are exceptionally well-suited for situations where thermal stability is of utmost importance. Their low thermal conductivity enables them to effectively trap and retain heat, thus preventing its escape. Consequently, they are particularly valuable in environments necessitating consistent temperatures, such as furnaces, kilns, and various high-temperature industrial processes. In summary, insulating fire bricks are renowned for their exceptional thermal stability, rendering them a dependable option for applications demanding insulation and safeguarding against high temperatures.

Q: Are insulating fire bricks resistant to hydrogen sulfide?: Yes, insulating fire bricks are generally resistant to hydrogen sulfide due to their high melting point and chemical stability.

Q: What are the dimensions of insulating fire bricks?: The dimensions of insulating fire bricks can vary, but they are typically rectangular in shape and commonly come in sizes such as 9" x 4.5" x 2.5" or 9" x 4.5" x 3".

Q: Can insulating fire bricks be used for high-temperature insulation?: Absolutely, high-temperature insulation can be achieved with the use of insulating fire bricks. These bricks are specifically engineered to endure and provide insulation against elevated temperatures, making them exceptionally suitable for a wide range of high-temperature applications. Constructed from lightweight refractory materials, these bricks exhibit remarkable thermal conductivity properties, effectively capturing and hindering heat transfer. They find extensive utilization in furnaces, kilns, ovens, and other heating apparatuses that necessitate insulation against extreme temperatures. Capable of withstanding temperatures as high as 3000°F (1650°C), insulating fire bricks offer a dependable solution for high-temperature insulation requirements.

Q: Can insulating fire bricks be used in the construction of ceramic fiber kilns?: Yes, insulating fire bricks can be used in the construction of ceramic fiber kilns. Insulating fire bricks provide excellent thermal insulation, which helps to retain heat and improve energy efficiency in kilns. They are often used as the lining material in kilns to prevent heat loss and ensure efficient firing processes.

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

Q: Are insulating fire bricks suitable for thermal insulation in boilers?: Yes, insulating fire bricks are suitable for thermal insulation in boilers. They have high thermal conductivity and can withstand high temperatures, making them an effective choice for insulating the walls and floors of boilers. Their ability to retain heat helps in improving energy efficiency and reducing heat loss, ultimately enhancing the overall performance of the boiler system.

Q: Can insulating fire bricks be used in incinerators?: Indeed, insulating fire bricks can be utilized in incinerators. These bricks are specifically crafted to offer exceptional thermal insulation, rendering them perfect for scenarios where elevated temperatures must be sustained. By incorporating insulating fire bricks into incinerators, which function at exceedingly high temperatures, heat loss can be minimized and the system's overall energy efficiency can be enhanced. Furthermore, these bricks possess commendable resistance against thermal shock, a critical characteristic in incinerators subject to sudden temperature fluctuations. Consequently, the utilization of insulating fire bricks in incinerators can significantly augment their performance and durability.

Q: Can insulating fire bricks be used in electric arc furnaces?: Yes, insulating fire bricks can be used in electric arc furnaces. Insulating fire bricks are made of lightweight materials with high insulating properties, which make them ideal for applications where heat insulation is required. Electric arc furnaces generate high temperatures and require effective insulation to contain the heat within the furnace chamber. Insulating fire bricks can withstand the intense heat produced in electric arc furnaces, preventing heat loss and conserving energy. Additionally, their insulating properties help maintain a stable temperature inside the furnace, ensuring efficient melting and refining of metals or other materials. Therefore, insulating fire bricks are a suitable choice for use in electric arc furnaces.

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