Insulating Fire Brick 65% Al2O3 Min High Alumina

Insulating Fire Brick 65% Al2O3 Min High Alumina

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 500 m.t.

Supply Capability:: 1000 m.t./month

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Specifications

1.65% Al2O3 min;
2. Refractoriness: 1790C min;
3.For steelmaking furnaces;
4.ISO 9001 Certificate;
5.Custom shape.

High alumina insulating fire brick is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory, which has such advantages as high porosity, small volume density, good insulation effect, high mechanical intensity, small thermal conductivity and long service life. For various industrial kilns & furnaces, it is a kind of essential refractory for energy saving and temperature preservation.

This series of High Alumina Insulating Fire Brick are made of selected high alumina bauxite, kaolin caly, hollow microsphere as the mian material.By shaping at high pressure and sintering at high temperature.

Items		Mark
		Hihg Alumina brick			Clay brick		Phosphoric acid dipping clay brick
		GL-65	GL- 55	GL- 48	ZGN-42	ZGN-42	Phosphoric acid dipping clay brick
Chemical Compositions ( %) ≥	Al2O3	65	55	48	42	42
	Fe2O3	2.0	2.0	2.0	1.6	1.7
	P2O5	-	-	-	-	-	7
Refractoriness ℃		1790	1770	1750	1750	1750	-
Apparent Porosity (%)≤		19	19	18	15	16	14
Alkali resistance (strength degradation)%≤		-	-	-	-	-	15
0.2MPaRefractoriness under load,℃≥		1500	1480	1450	1450	1430	1450
CCS (Mpa)≥		58.8	49	49	58.8	49	60
Dead burnt linear change(%)≤	1450℃×2h			0/-0.2	0/-0.2	0/-0.3	0/-0.2
Dead burnt linear change(%)≤	1500℃×2h	0/-0.2

Starting from the raw material into factory, Every production process of high alumina insulating fire bricks should through strict quality control, both the raw materials and finished products should be inspected time after time, to esure that each product to satisfy our customers, because of advanced automatic batching system and 2500 tons automatic hydraulic machine in the world were introduced, then a new line of the ladle fire bricks and other styling refractory products with a superior quality was put into production.

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 high-temperature insulation applications?: Yes, insulating fire bricks can be used in high-temperature insulation applications. Insulating fire bricks are designed to withstand and retain heat at elevated temperatures. They have low thermal conductivity and high insulation properties, making them ideal for use in applications where high temperatures need to be contained and insulated. These bricks are commonly used in industries such as steel, glass, and ceramics, as well as in furnaces, kilns, and other high-temperature equipment. Insulating fire bricks provide a reliable and efficient solution for insulation in high-temperature environments, helping to maintain heat and reduce energy loss.

Q: Can insulating fire bricks be used in residential fireplaces?: Yes, insulating fire bricks can be used in residential fireplaces. These bricks are designed to withstand high temperatures, making them an ideal choice for lining the interior of a fireplace. They help to retain heat and improve the overall efficiency of the fireplace. Additionally, insulating fire bricks are lightweight and easy to install, making them a practical option for residential use.

Q: Can insulating fire bricks be used in residential applications, such as fireplaces or ovens?: Insulating fire bricks can indeed be used in residential applications such as fireplaces or ovens. These bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation. They are made from lightweight materials such as clay or alumina, which have low thermal conductivity. This helps to keep the heat inside the fireplace or oven, making it more efficient and reducing energy consumption. Insulating fire bricks also have good resistance to thermal shock, meaning they can withstand rapid changes in temperature without cracking or breaking. Additionally, these bricks are non-combustible, ensuring they can withstand the high temperatures generated in fireplaces or ovens without posing a fire hazard. Therefore, insulating fire bricks are a suitable choice for residential applications where high temperatures and thermal insulation are required.

Q: Can insulating fire bricks be used in gasifiers?: Indeed, gasifiers can utilize insulating fire bricks. These bricks are tailored to endure extreme temperatures and deliver exceptional thermal insulation. Consequently, they are well-suited for gasifier applications, where temperatures can soar to several hundred degrees Celsius. By retaining heat and thwarting its escape, insulating fire bricks enhance gasifier efficiency. Additionally, they exhibit commendable resistance to thermal shock, a vital characteristic in gasifier operations that entail sudden temperature fluctuations. All in all, insulating fire bricks prove to be a dependable and efficient option for gasifier use.

Q: Can insulating fire bricks be used in fireplaces?: Yes, insulating fire bricks can be used in fireplaces. They are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining the inside of fireplaces.

Q: Can insulating fire bricks be used in the construction of pottery molds?: Insulating fire bricks are indeed applicable for the construction of pottery molds. Crafted from lightweight refractory materials, these bricks possess exceptional heat insulation qualities. Specifically engineered for high-temperature applications like pottery kilns, they offer a range of benefits. When constructing pottery molds, it is imperative to utilize materials that can endure the kiln's intense heat. Insulating fire bricks can withstand temperatures of up to 3000°F (1650°C), rendering them ideal for pottery mold construction. They provide insulation to prevent heat dissipation and maintain consistent temperatures within the kiln, crucial for achieving the desired firing results. Moreover, insulating fire bricks can be conveniently shaped and cut to suit the designated mold design. Their lightweight nature also simplifies handling during the mold construction process. Additionally, the insulating properties of these bricks curtail energy consumption by preventing excessive heat loss, making them a cost-effective choice in the long term. All in all, insulating fire bricks prove to be a fitting option for constructing pottery molds due to their capacity to withstand high temperatures, offer insulation, and be easily molded to meet specific design requirements.

Q: How do insulating fire bricks affect the overall durability of a structure?: The overall durability of a structure is significantly improved with the inclusion of insulating fire bricks. These bricks are designed with a low thermal conductivity, effectively resisting heat transfer. By limiting the amount of heat that passes through, they maintain a stable temperature within the structure, safeguarding it against extreme temperature changes. One of the primary advantages of insulating fire bricks is their capacity to endure high temperatures. They possess a high melting point, enabling them to maintain their structural integrity even in the presence of intense heat. This characteristic is particularly important in structures that generate high temperatures, such as furnaces or kilns. The ability of insulating fire bricks to withstand such extreme heat greatly contributes to the structure's durability. Additionally, insulating fire bricks offer exceptional insulation. Their low thermal conductivity prevents heat from escaping or entering the structure, resulting in energy efficiency. This not only reduces energy consumption, but also shields 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. Apart from their resistance to heat 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 deterioration. However, insulating fire bricks are made from materials that resist chemical reactions, ensuring their durability and longevity. Overall, the utilization of insulating fire bricks significantly enhances the durability of a structure. Their capacity to endure high temperatures, provide insulation, and resist chemical corrosion makes 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: Can insulating fire bricks be used for insulation in gas furnaces?: Yes, insulating fire bricks can be used for insulation in gas furnaces. They are designed to withstand high temperatures and provide excellent insulation properties, making them suitable for use in gas furnaces to improve energy efficiency and enhance overall performance.

Q: What sizes are insulating fire bricks available in?: Insulating fire bricks are available in various sizes, including standard sizes like 9" x 4.5" x 2.5" and 9" x 4.5" x 3". However, custom sizes can also be manufactured to meet specific requirements.

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