Insulating Fire Brick - GJM28

Ref Price:: $1,268.25 - 1,550.09 / 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 GJM28

Insulating fire brick GJM28 are produced by high purity alumina and low iron raw materials. A viariety of shapes are available.
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 GJM28,we choose the extruding method. Extruding insulating fire bricks have better strength and offering great performance in load bearing applications and in conditions where abrasion from mechanical abuse or flow of hot gases.

Characteristics of Insulating Fire Brick GJM28

The organic fillers, which are mixed in the materials and then burned out during sintering, give our insulating fire bricks a uniform controllable pore structure. The insulating fire bricks exhibit the following characteristics:
Light weight and low thermal conductivity allows thinner furnace walls
Maintain stable structural strength throughout ambient to maximum service termperature
Low heat storage results in rapid cooling and heating operation
Low iron and impurities to enhance reducing atmosphere
High thermal shock resistance in preventing spalling

Typical Application of Insulating Fire Brick GJM28

Ceramic shuttle kilns
Metal heat treatment furnaces
Steel billet reheating furnaces
Oil refrinery heaters
Laboratory furnaces
Backup insulation for all furnaces

Technical Data of Insulating Fire Brick GJM28

		GJM28
Physical Properties:
Classifiction Temperature	℃	1500.0
Density	Kg/m3	900.0
Cold Crushing Strength	Mpa	2.5
Reheating Linear Change(24hrs)
1510℃	%	0.6
Hot Load Strength Deform(90 minutes)
1320℃ at 0.069 Mpa（10psi）	%	0.3
Thermal Conductivity
400℃	W/m.k	0.3
600℃	W/m.k	0.3
800℃	W/m.k	0.4
1000℃	W/m.k	0.4
1200℃	W/m.k	0.4
Specific Heat	KJ/Kg.K	1.1
Chemical Analysis:
Al₂O₃	%	60.0
SiO₂	%	38.2
Fe₂O₃	%	0.6
TiO₂	%	0.1
CaO	%	0.1
MgO	%	0.1
Na₂O+K₂O	%	0.8

We 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:How to reinforce a porous brick foundation?: The basic type method is changed from independent basis to strip foundation, from strip foundation to raft foundation and pile foundation, from brick to concrete strip foundation.

Q:How thick are insulating fire bricks?: Insulating fire bricks typically range in thickness from 1 to 3 inches.

Q:Are insulating fire bricks lightweight or heavy?: Insulating fire bricks are lightweight. These bricks are specifically designed to have low density and high insulating properties. They are made from lightweight materials such as expanded clay, perlite, and vermiculite, which contribute to their lightweight nature. This makes them easier to handle and install compared to traditional heavy fire bricks. However, despite being lightweight, insulating fire bricks still offer excellent thermal insulation, making them ideal for various applications including kilns, furnaces, and fireplaces.

Q:Are insulating fire bricks resistant to moisture absorption?: Yes, insulating fire bricks are highly resistant to moisture absorption. They are designed to have low porosity and are made from materials that do not readily absorb water. This makes them ideal for applications where moisture resistance is crucial, such as in kilns, furnaces, and other high-temperature environments.

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:Can insulating fire bricks be used in high-temperature insulation for aerospace applications?: Yes, insulating fire bricks can be used in high-temperature insulation for aerospace applications. Insulating fire bricks are made from lightweight refractory materials that have high insulating properties and can withstand extreme temperatures. These bricks have low thermal conductivity, which allows them to effectively reduce heat transfer and maintain the desired temperature inside aerospace components. Aerospace applications often involve high-temperature environments, such as in rocket engines, exhaust systems, and thermal protection systems. Insulating fire bricks can be used in these applications to provide thermal insulation, protecting sensitive components from excessive heat and preventing heat loss to the surroundings. Additionally, insulating fire bricks are known for their excellent resistance to thermal shock, meaning they can withstand rapid temperature changes without cracking or degrading. This property is crucial in aerospace applications where components are subjected to extreme temperature variations during launch, re-entry, or other operational phases. Moreover, insulating fire bricks have lightweight properties, which can be advantageous in aerospace applications where weight reduction is critical for fuel efficiency and overall performance. By using insulating fire bricks, aerospace engineers can achieve effective thermal insulation while minimizing the added weight to the system. Overall, insulating fire bricks offer a viable solution for high-temperature insulation in aerospace applications. Their high insulating properties, resistance to thermal shock, and lightweight nature make them suitable for protecting critical aerospace components in extreme temperature environments.

Q:Are insulating fire bricks resistant to spalling?: Yes, insulating fire bricks are resistant to spalling. Insulating fire bricks are specifically designed to withstand high temperatures and thermal shock, making them highly resistant to spalling. Spalling refers to the cracking and breaking of bricks due to exposure to extreme heat. Insulating fire bricks are made from high-quality refractory materials that have a low thermal conductivity, which helps to reduce the transfer of heat and minimize the risk of spalling. Additionally, insulating fire bricks have a high melting point, which makes them ideal for applications that involve high temperatures. Therefore, insulating fire bricks are commonly used in furnaces, kilns, and other high-temperature environments where spalling is a concern.

Q:Is it possible to cut insulating fire bricks to fit custom shapes?: Yes, it is possible to cut insulating fire bricks to fit custom shapes. These bricks can be easily cut using a saw or other cutting tools to achieve the desired shape and size for specific applications.

Q:Do insulating fire bricks have a high thermal stability?: Yes, insulating fire bricks have a high thermal stability. They are designed to withstand high temperatures without significant deterioration or structural damage, making them an excellent choice for applications requiring insulation and heat resistance.

Q:Are insulating fire bricks suitable for use in glass melting furnaces?: Depending on the requirements of the furnace and the type of glass being melted, insulating fire bricks may be a suitable option for glass melting furnaces. These fire bricks are constructed from lightweight materials that have low thermal conductivity, enabling them to effectively retain heat and minimize energy loss in the furnace. This, in turn, can enhance the furnace's energy efficiency and decrease operational expenses. Nevertheless, it is essential to take into account the temperature and atmosphere within the glass melting furnace when selecting the appropriate insulating fire bricks. Glass melting furnaces function at extremely high temperatures, often surpassing 1500°C (2732°F). Some insulating fire bricks may not be capable of enduring such elevated temperatures and could deteriorate or even melt under these circumstances. Furthermore, the atmosphere within the glass melting furnace can influence the suitability of the insulating fire bricks. Certain types of these fire bricks may interact with specific gases or chemicals present in the furnace atmosphere, leading to degradation or contamination of the molten glass. Hence, it is crucial to choose insulating fire bricks that are compatible with the precise atmosphere and conditions within the glass melting furnace. To summarize, insulating fire bricks can be appropriate for use in glass melting furnaces, but careful consideration must be given to their temperature resistance and compatibility with the furnace atmosphere. Seeking guidance from specialists or suppliers who specialize in refractory materials for glass melting furnaces can help ensure the appropriate selection of insulating fire bricks for optimal furnace performance and glass quality.

Produce and Services of Shaped & Unshaped Refractory Products for Heat Treatment Furnaces and Kiln & High, mainly Insulating fire brick.

1. Manufacturer Overview
Location	Jiangsu, China
Year Established	2008
Annual Output Value	Above US$ 35 Million
Main Markets	Germany; Italy; Turkey; France; England; Japan; Thailand; Vietnam; Idonesia; USA
Company Certifications	ISO 9001:2008

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Shanghai; Qingdao
Export Percentage	10%
No.of Employees in Trade Department	3 People
Language Spoken:	English; Chinese;
b)Factory Information
Factory Size:	Twenty five thousand tons per year
No. of Production Lines	Above 5
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	High; Average