Insulating Fire Brick - GJM Insulation Brick Insulating Brick

Insulating Fire Brick - GJM Insulation Brick Insulating Brick

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 1000 pc

Supply Capability:: 100000000 pc/month

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Insulating Fire Brick 65% Al2O3 Min High Alumina

General information of Insulating Brick

Insulating firebricks are classified under tempera-ture between 1100C to 1700C, manufactured from high purity alumina clay.

Insulating fire bricks 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℃.

Application of Insulation brick

Insulating firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layerin iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.

Features of Insulation brick

◆Light weight and low thermal conductivity
◆Low heat storage
◆Low iron and impurities
◆High thermal shock resistance

Technical Data of GJM series Insulation brick

		JM23	JM26	JM28	JM30	JM32
Physical Properties:
Classifiction Temperature	℃	1260.0	1430.0	1500.0	1600.0	1650
Density	Kg/m3	550.0	850.0	900.0	1000.0	1100
Cold Crushing Strength	Mpa	1.2	2.0	2.5	2.8	3.5
Reheating Linear Change(24hrs)
1230℃	%	0.4
1300℃
1400℃	%		0.5
1510℃	%			0.6
1600℃	%				0.7
1650℃	%					0.8
Hot Load Strength Deform(90 minutes)
1100℃ at 0.034 Mpa（5psi）	%	0.1
1260℃ at 0.069 Mpa（10psi）	%		0.2
1320℃ at 0.069 Mpa（10psi）	%			0.3
1370℃ at 0.069 Mpa（10psi）	%				0.2	0.1
Thermal Conductivity
400℃	W/m.k	0.2	0.3	0.3	0.3	0.32
600℃	W/m.k	0.2	0.3	0.3	0.3	0.35
800℃	W/m.k	0.2	0.3	0.4	0.4	0.38
1000℃	W/m.k	0.2	0.3	0.4	0.4	0.42
1200℃	W/m.k		0.4	0.4	0.4	0.44
1400℃	W/m.k
Specific Heat	KJ/Kg.K	1.1	1.1	1.1	1.1	1.10
Chemical Analysis:
Al₂O₃	%	47.0	50.0	60.0	70.0	75.0
SiO₂	%	44.4	47.1	38.2	28.3	23.2
Fe₂O₃	%	0.9	0.7	0.6	0.5	0.5
TiO₂	%	1.2	0.1	0.1	0.1	0.1
CaO	%	5.2	0.1	0.1	0.1	0.1
MgO	%	0.3	0.2	0.1	0.1	0.1
Na₂O+K₂O	%	1.1	1.7	0.8	0.7	0.6

Technical Data of B series Insulation Brick

		B-1	B-2	B-3	B-4	B-5	B-6	B-7
Physical Properties:
Density	g/cm3	0.7	0.7	0.75	0.80	0.80	0.90	1.00
Cold Crushing Strength	Mpa	2.5	2.5	2.5	2.5	2.5	3.0	3.0
Thermal Conductivity 350℃	W/m.k	0.17	0.18	0.20	0.22	0.23	0.27	0.31

Technical Data of C series Insulation Brick

		C-1	C-2	C-3
Physical Properties:
Density	g/cm3	1.1	1.2	1.3
Cold Crushing Strength	Mpa	5.0	7.0	10.0
Thermal Conductivity 350℃	W/m.k	0.30	0.38	0.45

Photo of Insulation Brick

INSULATION BRICK

INSULATING BRICK

Q:Can insulating fire bricks be used in refractory cement?: Insulating fire bricks have the ability to be utilized in refractory cement. These bricks are specifically engineered to offer thermal insulation in situations that involve high temperatures. On the other hand, refractory cement is employed to establish a robust and long-lasting connection between bricks or other refractory materials. The combination of insulating fire bricks and refractory cement can enhance the overall thermal efficiency and insulation characteristics of the structure. This, in turn, can minimize heat loss and maximize system efficiency. It is crucial, however, to meticulously adhere to the manufacturer's instructions and guidelines to ensure appropriate installation and optimal performance when using insulating fire bricks and refractory cement in conjunction.

Q:Are insulating fire bricks suitable for use in oil refineries?: Yes, insulating fire bricks are suitable for use in oil refineries. They possess excellent thermal insulation properties, high resistance to thermal shock, and can withstand high temperatures. These qualities make them ideal for lining furnaces, boilers, and other equipment used in the refining process, helping to conserve energy and maintain stable operating conditions.

Q:Can insulating fire bricks be used for insulation in refractory lining repair?: Yes, insulating fire bricks can be used for insulation in refractory lining repair. Insulating fire bricks are specifically designed to provide insulation in high-temperature environments, making them suitable for repairing refractory linings that require thermal insulation.

Q:Can insulating fire bricks be used in cryogenic applications?: Yes, insulating fire bricks can be used in cryogenic applications. These bricks have low thermal conductivity and are capable of withstanding extremely low temperatures, making them suitable for insulation in cryogenic environments.

Q:Energy saving bricks or bricks?: Energy saving brick may be cement slag, or cement, water residue, cement, coal ash, etc. overview

Q:How do insulating fire bricks provide thermal insulation?: Insulating fire bricks provide thermal insulation due to their low thermal conductivity and high porosity. The bricks are made from lightweight materials such as clay, alumina, or silica, which have low thermal conductivity. The high porosity of these bricks allows for the trapping of air or gas bubbles within their structure, which further reduces heat transfer. As a result, insulating fire bricks effectively minimize the conduction of heat, making them ideal for applications that require thermal insulation.

Q:Can insulating fire bricks be used in ceramic fiber modules?: Insulating fire bricks cannot be utilized in ceramic fiber modules, as their compositions and constructions greatly differ. Insulating fire bricks are composed of dense refractory materials, typically containing high levels of alumina and silica. These materials offer exceptional thermal insulation and high temperature resistance. Conversely, ceramic fiber modules are made of lightweight, flexible ceramic fibers that provide superior thermal insulation properties. They are primarily used to line furnaces, kilns, and other high-temperature applications. Insulating fire bricks are solid and rigid, whereas ceramic fiber modules are flexible and can be easily molded and installed. Therefore, trying to incorporate insulating fire bricks into ceramic fiber modules would not only be impractical but also ineffective in achieving the desired insulation properties and overall performance. To ensure safety, efficiency, and longevity, it is crucial to use materials specifically designed for their intended applications.

Q:Can insulating fire bricks be used in brick kilns?: Yes, insulating fire bricks can be used in brick kilns. Insulating fire bricks are designed to have high thermal resistance, which makes them an ideal choice for insulating the walls of a brick kiln. These bricks can withstand extremely high temperatures and help to maintain consistent heat levels within the kiln. By using insulating fire bricks, the heat loss from the kiln is minimized, resulting in improved energy efficiency and reduced fuel consumption. Additionally, the use of insulating fire bricks can also help to protect the outer layers of the kiln from excessive heat, preventing damage and prolonging the lifespan of the kiln. Overall, insulating fire bricks are a suitable and effective choice for use in brick kilns.

Q:Can insulating fire bricks be used in glass furnaces?: Yes, insulating fire bricks can be used in glass furnaces. They are commonly used to line the walls and roofs of glass furnaces to reduce heat loss, improve energy efficiency, and provide thermal insulation.

Q:Can insulating fire bricks be cut or shaped to fit different spaces?: Yes, insulating fire bricks can be cut or shaped to fit different spaces. Insulating fire bricks are made from lightweight materials that can be easily cut or shaped using common tools such as saws, knives, or rasps. This allows for customization and precise fitting in various spaces, including fireplaces, kilns, furnaces, and other high-temperature applications. It is important to remember, however, that proper safety precautions should be taken when cutting or shaping insulating fire bricks, as they may produce dust or debris.

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