Cordierite Kiln Furniture Insulating Fire Brick

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Material: cordierite &mullite

It is used in heat shock applications that would crack and shatter most other ceramic materials, it can survive thousands of heating and cooling cycles.

it is characterized by high purity, high density, high strength and good thermal shock resistance, is mainly used as high temperature (1350-1650oC) kiln linings or kiln furniture in ceramics and refractories industries, gas combustion furnace in petrochemical industry and other high temperature services where thermal shock happens frequently.

Cordierite porcelain
Essential components	2MgO 2Al2O3 5SiO2
	Density		g/cm3	2.5
	Water Absorption			0
Material characteristics	Agglomeration temperature			1350
	Hardness		HV	800
	AntiFolding Strength		Kgf/cm2	900
Physical characteristics	Compressive Strength		Kgf/cm2	3500
	Tenacity		Map.m3/2	-
	Highest application temperature			1 000
	Thermal expansion coefficient 0-1000		/	4*10-6
Thermodynamic property	Heat resistance		T()	250
	Thermal conductivity		W/m.k(25-300)	1.3-
		20		>1012
		100	>.cm	107-108
	Volume resistivity	300		3*105
Electrical specification	Insulation breakdown intensity		KV/mm	10
	Dielectric constant		100MHz(E)	6

Q: How do insulating fire bricks help to conserve energy?: Insulating fire bricks help to conserve energy in several ways. Firstly, these bricks are made from materials that have high thermal resistance, which means they are excellent at preventing the transfer of heat. By using insulating fire bricks in the construction of furnaces, kilns, or any other heat-generating equipment, they act as a barrier that prevents the loss of heat to the surroundings. This, in turn, reduces the amount of energy required to maintain a consistent temperature within the equipment. Additionally, insulating fire bricks have low thermal conductivity, meaning they do not conduct heat easily. As a result, they prevent the transfer of heat from the hot side to the cold side, minimizing heat loss and ensuring that more energy is utilized for the intended purpose rather than being wasted. Furthermore, insulating fire bricks have high heat capacity, allowing them to absorb and store heat efficiently. This property is beneficial as it helps to stabilize temperature fluctuations by releasing stored heat slowly over time, reducing the need for constant energy input to maintain the desired temperature. In summary, insulating fire bricks help to conserve energy by reducing heat loss, minimizing heat transfer, and stabilizing temperature fluctuations. By implementing these bricks in various heat-generating applications, energy consumption can be significantly reduced, leading to cost savings and a more sustainable use of resources.

Q: Can insulating fire bricks be used for pizza ovens?: Yes, insulating fire bricks can be used for pizza ovens. Insulating fire bricks are designed to withstand high temperatures, making them a suitable choice for creating a well-insulated and efficient pizza oven. They help retain heat, allowing the oven to reach and maintain the desired temperature for baking delicious pizzas.

Q: Can insulating fire bricks be used in pottery kilns?: Yes, insulating fire bricks can be used in pottery kilns. Insulating fire bricks, also known as refractory bricks, are specifically designed to withstand high temperatures and provide insulation to retain heat in kilns. These bricks are made from materials such as alumina, silica, and other refractory materials, which have excellent thermal resistance properties. Using insulating fire bricks in pottery kilns helps to maintain a consistent temperature, reduce heat loss, and ensure efficient firing of clay and glazes. Additionally, these bricks help to prolong the lifespan of the kiln by protecting the interior walls from extreme temperatures. Therefore, insulating fire bricks are an ideal choice for pottery kilns and are widely used in the pottery industry.

Q: Are insulating fire bricks resistant to warping?: Yes, insulating fire bricks are generally resistant to warping. Insulating fire bricks are designed to withstand high temperatures and thermal shocks, which helps prevent warping. These bricks are made from lightweight materials such as clay, silica, and alumina, combined with additives to enhance their insulating properties. These additives also contribute to the brick's ability to resist warping. Additionally, insulating fire bricks undergo a specific manufacturing process that helps ensure dimensional stability and minimize the risk of warping. However, it's important to note that extreme and prolonged exposure to high temperatures can still cause some degree of warping, but compared to other types of bricks, insulating fire bricks offer a higher level of resistance.

Q: Can insulating fire bricks be used in the construction of glass melting tanks?: Indeed, the utilization of insulating fire bricks is possible for the construction of glass melting tanks. These bricks are precisely engineered to endure elevated temperatures and offer exceptional insulation characteristics. Thus, they prove to be perfect for application in glass melting tanks, where intense temperatures are necessary for the glass to melt. The insulation properties of these bricks aid in minimizing heat dissipation and preserving the desired temperature within the tank, thereby enhancing the efficiency and cost-effectiveness of the glass melting procedures. Moreover, the durability and thermal shock resistance of insulating fire bricks make them a dependable option for constructing glass melting tanks.

Q: Can insulating fire bricks be used in wood-fired kilns?: Yes, insulating fire bricks can be used in wood-fired kilns. These bricks are designed to withstand high temperatures and provide excellent insulation, making them ideal for wood-fired kilns. They help to retain heat and distribute it evenly throughout the kiln, ensuring efficient and consistent firing of the wood. Additionally, insulating fire bricks are lightweight, which can aid in the construction and maintenance of the kiln. Overall, using insulating fire bricks in wood-fired kilns can enhance their performance and efficiency.

Q: Can insulating fire bricks be used in chimneys or flues?: Insulating fire bricks are not recommended for use directly in chimneys or flues. While these bricks are designed to withstand high temperatures, they are primarily used for insulation purposes rather than as a structural component. Chimneys and flues require bricks that are specifically engineered to withstand the intense heat and corrosive byproducts of combustion. These bricks, known as refractory bricks, are designed to have high thermal resistance and exceptional durability to ensure the safe and efficient operation of the chimney or flue. Therefore, it is advisable to use refractory bricks instead of insulating fire bricks when constructing or repairing chimneys and flues.

Q: Do insulating fire bricks have a high compressive strength?: Insulating fire bricks are known for their high compressive strength. These bricks are crafted from unique refractory materials, specially engineered to endure extreme temperatures and mechanical strain. Consequently, they possess exceptional compressive strength, enabling them to support substantial weights without any fissures or fractures. The remarkable compressive strength of insulating fire bricks renders them perfect for situations where structural integrity is paramount, such as in furnaces, kilns, and various industrial equipment operating at high temperatures.

Q: What is the typical lifespan of insulating fire bricks in high-temperature applications?: The lifespan of insulating fire bricks in high-temperature applications can differ depending on various factors. These factors include the quality and composition of the bricks, the temperatures they are exposed to, the rate of thermal cycling, and any external factors that may affect their durability. Typically, insulating fire bricks are designed to endure high temperatures and have a longer lifespan compared to regular bricks or other materials. They are usually made from lightweight refractory materials like alumina and silica, which possess excellent thermal insulating properties. In high-temperature applications, insulating fire bricks can last for several years, even decades, when they are properly installed and maintained. However, it is important to note that continuous exposure to extremely high temperatures, rapid temperature changes, or harsh chemical environments can expedite the deterioration of these bricks. Regular inspection and maintenance of insulating fire bricks are essential to ensure their durability. Over time, these bricks may experience thermal shock, erosion, or cracking due to the extreme thermal conditions. By identifying signs of degradation or damage early on, appropriate measures can be taken to repair or replace the affected bricks, thus extending the overall lifespan of the insulation system. Ultimately, the specific lifespan of insulating fire bricks in high-temperature applications can vary significantly and is influenced by different factors. Therefore, it is advisable to seek guidance from manufacturers or industry experts who can provide more accurate estimations based on the specific conditions of your application.

Q: Can insulating fire bricks be used in a refractory lining?: Indeed, refractory linings can incorporate insulating fire bricks. These bricks are purposefully crafted to offer thermal insulation and minimize heat dissipation in scenarios involving high temperatures. Possessing low thermal conductivity and exceptional insulating properties, they are perfectly suited for use in refractory linings. By curbing heat transfer to the surrounding environment, these bricks contribute to the enhanced energy efficiency of furnaces, kilns, and other industrial applications. Moreover, insulating fire bricks are lightweight, effortlessly installable, and exhibit commendable strength and durability, rendering them a favored selection for refractory linings.

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