High-Quality Insulating Fire Brick

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 100 m.t./month

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Quick Details

Place of Origin:	(Mainland)	Shape:	Brick	Material:	Alumina Block
SiO2 Content (%):	55-15%	Al2O3 Content (%):	35-75%	MgO Content (%):	0.1%
CaO Content (%):	0.1%	Refractoriness (Degree):	1770°< Refractoriness< 2000°	CrO Content (%):	0.1%
SiC Content (%):	0.1%	Model Number:	23011465	Brand Name:
color:	yellow	Bulk density:	2.1g/cm3

Packaging & Delivery

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 hydrofluoric acid?: Yes, insulating fire bricks are resistant to hydrofluoric acid.

Q:Can insulating fire bricks be used in high-temperature insulation for cryogenic applications?: Insulating fire bricks are not suitable for high-temperature insulation in cryogenic applications. Insulating fire bricks are designed to withstand temperatures up to around 2300°F (1260°C), which is well below the extremely low temperatures required for cryogenic applications. Cryogenic temperatures can range from -150°C to -273°C (-238°F to -459°F), and insulating fire bricks would not be able to provide adequate insulation at these temperatures. Instead, specialized materials such as aerogels or multi-layered insulation systems are commonly used for cryogenic insulation to ensure low heat transfer and maintain the extremely low temperatures required.

Q:Are insulating fire bricks suitable for use in the construction of incinerators?: Yes, insulating fire bricks are suitable for use in the construction of incinerators. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent insulation properties. Incinerators operate at extremely high temperatures, often exceeding 1000 degrees Celsius, and require materials that can withstand these intense conditions without cracking or deteriorating. Insulating fire bricks are made from lightweight refractory materials, such as ceramic fibers or lightweight aggregates, which have low thermal conductivity. This means that they are able to effectively insulate the incinerator, preventing heat from escaping and ensuring maximum energy efficiency. The insulation properties of these bricks also help to maintain a consistent temperature inside the incinerator, which is crucial for proper combustion and waste disposal. Furthermore, insulating fire bricks have excellent resistance to thermal shock, allowing them to withstand repeated heating and cooling cycles without damage. This is crucial in incinerators, where the temperature can fluctuate rapidly during the burning process. The bricks' ability to withstand thermal shock ensures their durability and longevity in this high-temperature environment. In addition to their insulation and thermal shock resistance, insulating fire bricks also offer other benefits for incinerator construction. They are lightweight, making them easier to handle and transport during the construction process. They can also be easily cut or shaped to fit specific designs or requirements, allowing for flexibility in the construction of incinerators. Overall, insulating fire bricks are an ideal choice for the construction of incinerators due to their high-temperature resistance, insulation properties, thermal shock resistance, durability, and ease of use. They provide a reliable and efficient solution for containing and maintaining the intense heat generated in incinerators, ensuring safe and effective waste disposal.

Q:What is the thermal insulation performance of aerated bricks?: Because of the hollow characteristic, the aerated brick is flexible, and the main body of the building is supported by the reinforced concrete structure, and the brick is only filled. When the earthquake occurs, the reinforced concrete structure will be deformed, and if it is a solid brick, the deformation of the reinforced concrete structure will be broken and collapsed when it is overstock. The use of hollow brick can give the reinforced concrete structure to leave a very good space for expansion.

Q:Are insulating fire bricks suitable for insulation in petrochemical plants?: Yes, insulating fire bricks are suitable for insulation in petrochemical plants. These bricks are made from lightweight refractory materials and have excellent thermal insulation properties. They can withstand high temperatures and provide insulation against heat transfer, making them ideal for use in petrochemical plants where insulation is crucial for safety and energy efficiency.

Q:How do insulating fire bricks compare to other insulation materials?: Insulating fire bricks are superior to other insulation materials in terms of their high heat resistance, durability, and ability to withstand extreme temperatures. They offer excellent thermal insulation properties, low thermal conductivity, and are capable of retaining heat for prolonged periods. Compared to traditional insulation materials like fiberglass and mineral wool, insulating fire bricks provide superior insulation performance and are more suitable for applications requiring high-temperature resistance, such as furnaces, kilns, and industrial ovens.

Q:Are insulating fire bricks resistant to water penetration?: Yes, insulating fire bricks are resistant to water penetration. These bricks are designed to have a low porosity and are made from materials that are not prone to absorbing or retaining water. They are typically composed of lightweight refractory materials such as alumina, silica, and other minerals that have high heat resistance and low water absorption properties. This makes insulating fire bricks ideal for applications where water penetration could be detrimental, such as in high-temperature environments or when used as insulation in chimneys or kilns. However, it is important to note that while these bricks are resistant to water penetration, they are not completely impervious to it. Prolonged exposure to water may eventually lead to some level of water absorption, which can affect their insulating properties. Therefore, it is advisable to take precautions and ensure proper installation and maintenance to maximize their resistance to water penetration.

Q:Are insulating fire bricks suitable for use in steel manufacturing plants?: Yes, insulating fire bricks are suitable for use in steel manufacturing plants. Insulating fire bricks have excellent thermal properties, including high heat resistance and low thermal conductivity, which make them ideal for use in high-temperature environments such as steel manufacturing plants. These bricks can withstand the extreme heat generated during steel production processes, such as melting, casting, and forging. Additionally, insulating fire bricks help to conserve energy by reducing heat loss, thus improving the overall efficiency of the plant. They also have good mechanical strength and can withstand the physical stresses and strains associated with steel manufacturing operations. Overall, the use of insulating fire bricks in steel manufacturing plants can help to enhance safety, increase productivity, and improve energy efficiency.

Q:Can insulating fire bricks reduce heating or cooling costs?: Insulating fire bricks possess the ability to decrease heating or cooling expenses. These bricks are specially designed to exhibit a high level of thermal insulation, meaning they possess low thermal conductivity and can effectively hinder the transfer of heat between a building's interior and exterior. In the construction of fireplaces, ovens, or kilns, the utilization of insulating fire bricks aids in retaining heat within these structures. This enables them to achieve and maintain higher temperatures while consuming less energy. Consequently, this leads to substantial savings on heating costs, as the desired temperature can be achieved with reduced energy usage. Similarly, when employed in the construction of walls, insulating fire bricks serve to minimize heat transfer between a building's inside and outside. This results in decreased heating or cooling requirements, as the insulation helps to maintain a consistent indoor temperature. Subsequently, less energy is needed to heat or cool the building, resulting in lower energy bills and reduced overall heating or cooling expenses. It should be noted that the effectiveness of insulating fire bricks in reducing heating or cooling costs can vary based on factors such as overall building insulation, structure size and design, and climate conditions. Nevertheless, in general, the utilization of insulating fire bricks can contribute to energy efficiency and cost savings in heating or cooling systems.

Q:Are insulating fire bricks suitable for use in kilns?: Yes, insulating fire bricks are suitable for use in kilns. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent insulation properties. They are made from lightweight materials that have low thermal conductivity, allowing them to retain heat efficiently and reduce heat loss. This makes them ideal for lining kilns as they help to maintain consistent and controlled temperatures, improving energy efficiency and reducing fuel consumption. Additionally, insulating fire bricks have good resistance to thermal shock, meaning they can withstand rapid and extreme temperature changes without cracking or breaking. Overall, insulating fire bricks are a reliable and effective choice for kiln linings, ensuring optimal performance and prolonging the lifespan of the kiln.

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