Insulating Fire Brick - GJM23

Ref Price:: $1,057.50 - 1,292.50 / pc

Loading Port:: China Main Port

Payment Terms:: TT or L/C

Min Order Qty:: 1000 pcs pc

Supply Capability:: 1000 Tons Per Month pc/month

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General Information of Insulating Fire Brick GJM23

Insulating fire bricks GJM23 are made from high purity alumina and low iron content raw materials. The insulating fire bricks are produced by mixing, casting or extruding, drying, sintering and grinding. Our insulating fire bricks GJM23 temperature is 1260℃(2300℉). A variety of type could be done according to customer’s request.
To make our firebricks more energy and cost effective, we have different manufacturing methods for our insulating fire bricks casting and extruding method.
For insulating fire bricks GJM23,we choose the casting methord.The casting insulating fire bricks offering the lowest density, the lowest thermal conductivity for the application above 1000℃.

Characteristics of Insulating Fire Brick GJM23

Our insulating fire bricks exhibit the following characteristics:
Light weight and low thermal conductivity allows thinner furnace walls
Low heat storage results in rapid cooling and heating operation
Low iron and impurities to enhance reducing atmosphere

Typical Application of Insulating fire bricks GJM23

Ceramic shuttle kilns
Oil refinery heaters
Laboratory furnaces
Backup insulation for all furnaces

Technical Data of Insulating fire bricks GJM23

		JM23
Physical Properties:
Classifiction Temperature	℃	1260.0
Density	Kg/m3	550.0
Cold Crushing Strength	Mpa	1.2
Reheating Linear Change(24hrs)
1230℃	%	0.4
Hot Load Strength Deform(90 minutes)
1100℃ at 0.034 Mpa（5psi）	%	0.1
Thermal Conductivity
400℃	W/m.k	0.2
600℃	W/m.k	0.2
800℃	W/m.k	0.2
1000℃	W/m.k	0.2
Specific Heat	KJ/Kg.K	1.1
Chemical Analysis:
Al₂O₃	%	47.0
SiO₂	%	44.4
Fe₂O₃	%	0.9
TiO₂	%	1.2
CaO	%	5.2
MgO	%	0.3
Na₂O+K₂O	%	1.1

CNBM has success in insulating fire bricks due to their cost-effectiveness, excellent insulation properties. CNBM also has experience in insulating fire bricks application and would like to assist you in product selection, system design, and installation techniques.

insulating fire brick

Q: Can insulating fire bricks be painted or coated?: Insulating fire bricks can be painted or coated, but it is important to use high-temperature paint or coating specifically designed for use with these bricks to ensure durability and fire resistance.

Q: Are insulating fire bricks suitable for insulation in steam boilers?: Yes, insulating fire bricks are suitable for insulation in steam boilers. They are designed to withstand high temperatures and provide excellent thermal insulation, making them ideal for use in steam boilers to minimize heat loss and improve energy efficiency.

Q: Can insulating fire bricks be used in chimneys?: Yes, insulating fire bricks can be used in chimneys. Insulating fire bricks are designed to withstand high temperatures, making them an ideal choice for lining chimneys. They have excellent thermal insulation properties, which help to prevent heat loss and increase the efficiency of the chimney. Additionally, insulating fire bricks are lightweight and easy to install, making them a convenient option for chimney lining. However, it is important to note that insulating fire bricks are not suitable for all types of chimneys. It is recommended to consult a professional or chimney specialist to determine the appropriate materials for your specific chimney needs.

Q: Are insulating fire bricks resistant to fire damage?: Yes, insulating fire bricks are specifically designed to be resistant to fire damage. They are made from special refractory materials that can withstand extremely high temperatures without deforming or losing their insulating properties. Insulating fire bricks have a high melting point and low thermal conductivity, which allows them to effectively insulate against heat transfer and protect against fire damage. They are commonly used in applications where high temperatures and fire exposure are expected, such as in furnaces, kilns, fireplaces, and industrial processes. Overall, insulating fire bricks are reliable and durable materials that provide excellent protection against fire damage.

Q: Can insulating fire bricks be used in the construction of hearths?: Indeed, hearths can be constructed using insulating fire bricks. These bricks are specifically engineered to endure extreme temperatures, rendering them a superb selection for hearth construction. With their low thermal conductivity, they effectively retain heat and hinder the transmission of heat to nearby surroundings. Consequently, they are perfect for establishing a well-insulated and efficient hearth. Furthermore, their lightweight and manageable nature make them highly convenient for construction tasks. All in all, insulating fire bricks prove to be a dependable and pragmatic choice for the development of hearths.

Q: Can insulating fire bricks be used in high-temperature kilns for pottery?: Yes, insulating fire bricks can be used in high-temperature kilns for pottery. These bricks are specifically designed to withstand and retain heat, making them suitable for use in kilns that reach high temperatures. They help to insulate the kiln, preventing heat loss and allowing for more efficient firing of pottery.

Q: Can insulating fire bricks be used in refractory fibers?: No, insulating fire bricks cannot be used in refractory fibers. Insulating fire bricks are solid bricks made from refractory materials and are used for insulating and retaining heat in high-temperature applications. On the other hand, refractory fibers are lightweight and flexible materials made from ceramic or mineral fibers. They are used for insulation and lining in various industrial applications, including furnaces, kilns, and boilers. The two materials have different properties and structures, and are not compatible with each other. Therefore, it is not recommended to use insulating fire bricks in refractory fibers.

Q: Are insulating fire bricks suitable for insulation in cryogenic applications?: Yes, insulating fire bricks are suitable for insulation in cryogenic applications. Insulating fire bricks are made from lightweight refractory materials that have excellent thermal insulation properties. They have low thermal conductivity, high melting points, and are able to withstand extremely low temperatures, making them ideal for cryogenic applications. Cryogenic applications involve handling and storing materials at very low temperatures, typically below -150 degrees Celsius (-238 degrees Fahrenheit). Insulating fire bricks are designed to provide effective insulation in such extreme temperatures, preventing heat transfer and maintaining the desired low temperature. Furthermore, insulating fire bricks are chemically stable and have good resistance to thermal shock, meaning they can withstand rapid temperature changes without cracking or deteriorating. This is particularly important in cryogenic applications where temperature fluctuations are common. In addition to their excellent thermal insulation properties, insulating fire bricks are also lightweight and easy to handle, making them convenient for installation in cryogenic systems. Overall, insulating fire bricks are a suitable choice for insulation in cryogenic applications due to their thermal insulation properties, high-temperature resistance, chemical stability, and resistance to thermal shock.

Q: What are the dimensions and sizes available for insulating fire bricks?: Insulating fire bricks come in various dimensions and sizes, but the most common ones are 9x4.5x2.5 inches and 9x4.5x3 inches. However, they can also be found in other sizes, such as 9x4.5x1.25 inches or 12x4x2.5 inches, depending on the specific application and manufacturer.

Q: Can insulating fire bricks be used in hydrogen furnaces?: Insulating fire bricks possess the capability to be utilized in hydrogen furnaces, although it is imperative to acknowledge that not all variants of insulating fire bricks are suitable for this particular purpose. Due to the highly reactive nature of hydrogen gas, certain materials can deteriorate or react, thereby giving rise to concerns regarding safety and potential harm to the furnace. When making a selection of insulating fire bricks for employment in hydrogen furnaces, it becomes crucial to opt for bricks that are explicitly designed for environments characterized by high temperatures and corrosive conditions. These bricks ought to be constructed from materials that exhibit resistance against hydrogen embrittlement and possess a low reactivity with hydrogen. Silicon carbide (SiC) and alumina-silica (Al2O3-SiO2) are frequently utilized materials for insulating fire bricks within hydrogen furnaces. These materials boast remarkable resistance to elevated temperatures and remain chemically stable when exposed to hydrogen. Moreover, it is of utmost importance to take into account the density and porosity of the insulating fire bricks. For hydrogen furnaces, it is preferable to employ bricks with low density and high porosity, as they offer enhanced thermal insulation and diminish the likelihood of hydrogen leakage. In conclusion, while insulating fire bricks can be employed in hydrogen furnaces, it is crucial to meticulously select the appropriate type of bricks that are specifically engineered for high-temperature and corrosive environments, and exhibit commendable resistance against hydrogen embrittlement and reactivity. Seeking consultation from specialists in the field and adhering to the guidelines provided by the manufacturer is highly recommended to ensure the safe and efficient operation of the hydrogen furnace.

We are a leading supplier of wide range of mullite insulating bricks worldwide. With special technology and experienced production method, we provide 1. High quality Insulating Bricks, includes WAM23, WAM26, WAM28 and WAM30, B-5, B-6, B-7, 2. Insulating Castables 3. Insulating Mortar WAM2600, WAM3000, WAM3200.

1. Manufacturer Overview

Location	Shandong, China
Year Established	2007
Annual Output Value	Above US$ 5 Million
Main Markets	10.00% Northern Europe 30.00% North America 30.00% Eastern Asia 5.00% Africa 10.00% Southeast Asia 15.00% Western Europe
Company Certifications	ISO 9001:2008

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Qingdao Port
Export Percentage	90%
No.of Employees in Trade Department	10
Language Spoken:	English; Chinese
b) Factory Information
Factory Size:	Above 16,000 square meters
No. of Production Lines	Above 3
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	High; Average