High Purity Alumina Clay Insulating Fire Bricks

High Purity Alumina Clay Insulating Fire Bricks System 1

High Purity Alumina Clay Insulating Fire Bricks System 2

High Purity Alumina Clay Insulating Fire Bricks

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 20000 m.t./month

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Description of Insulating Firebricks

CMAX Insulating Firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.

Features of Insulating Firebricks

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

Applications of Insulating Firebricks

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

Specifications of Insulating Firebricks

°C Classification Temperature °F		1260 2300	1350 2500	1430 2600	1540 2600	1650 3000	1760 3200
ASTM C134-95 g/cm³ Bulk Density ib/ft³		0.60 37	0.80 50	0.80 50	0.90 56	1.03 64	1.25 78
ASTM C133-97 Mpa Cold Crushing Strength ib/in²		1.2 170	2.0 284	2.0 284	2.6 370	2.8 398	3.4 484
ASTM C133-97 Mpa Modulus of rupture ib/in²		0.9 128	1.2 170	1.5 218	1.6 232	1.7 247	2.0 290
ASTM C210-95 % Permanent Liner Change °C*hrs		0 1230*24	-0.5 1350*24	-0.5 1400*24	-0.8 1510*24	-0.9 1620*24	-0.9 1730*24
ASTM C182-88 Thermal Conductivity (W/m.k)	400°C	0.17	0.24	0.24	0.30	0.40	0.49
	600°C	0.19	0.28	0.27	0.32	0.42	0.50
	800°C	0.22	0.32	0.30	0.35	0.44	0.51
	1000°C	0.25	0.37	0.32	0.38	0.45	0.53
	1200°C	---	---	0.35	0.39	0.47	0.55
Chemical Analysis of Insulating Firebricks
Al2O3 %		45	50	55	65	72	76
Fe2O3 %		0.9	0.8	0.8	0.5	0.4	0.3
SiO2 %		50	45	42	32	26	22
CaO+MgO %		0.7	0.6	0.3	0.2	0.3	0.2
K2O+Na2O %		1.3	1.0	1.0	0.8	0.2	0.1

Images of Insulating Firebricks

Insulating Firebricks Manufactured from High Purity Alumina Clay

FAQ of Insulating Firebricks

1. Which products do you have?

We have all kinds of refractory brick, castable, mortar, cement, ceramic fiber products, etc.
Or you could browse our products to choose what you need.

2. Can you give me a general idea of the specification and technical data of your products?

CNBM offer a range of refractory and insulation products. We provide refractory bricks, monolithic refractories as well as ceramic fiber products. And On your given shapes, drawings or description, we are producing refractories with all sizes and shapes, resistant to temperature from 800 °C till 1800 °C, using various machines and equipments for cutting, grinding, drilling, polishing, shaping processes.
Every refractory product by CNBM is of superior quality. Lesser refractory products can not approach. CNBM utilizes proprietary testing methods, testing for chemical content, density, apparent porosity, cold crush strength and modulus of rapture. With stringent quality control, you can count on CNBM products to exceed refractory industry standards and your expectations.

3. Can you give me a brief introduction of the application of your products?

We are mainly specializing in the refractory materials in iron and steel, cement, glass, ceramics, petrochemical, electric power Industry, etc.

4. If I need your offer, what information do you need?

In order to choose suitable products, it will be appreciated to provide us the information, such us specification, technical data, order quantity, products application etc.
If any question, please contact us freely.

Q: Can insulating fire bricks be used in the construction of boilers for power plants?: Yes, insulating fire bricks can be used in the construction of boilers for power plants. These bricks have excellent insulating properties, which help to retain heat and increase energy efficiency in the boilers. Additionally, their lightweight nature reduces the overall weight of the construction, making them a suitable choice for power plant boilers.

Q: Can insulating fire bricks be used in refractory lining for steelmaking?: Yes, insulating fire bricks can be used in refractory lining for steelmaking. Insulating fire bricks are made from lightweight ceramic materials, which have excellent thermal insulation properties. This makes them suitable for use in high-temperature applications such as steelmaking, where maintaining a consistent temperature is crucial. Insulating fire bricks can help to reduce heat loss, improve energy efficiency, and provide insulation against the extreme temperatures experienced in steelmaking processes. Additionally, these bricks are resistant to thermal shock, which is important for withstanding rapid temperature changes during steel production. Therefore, using insulating fire bricks in refractory lining for steelmaking can help to optimize the performance and efficiency of the steelmaking process.

Q: Can insulating fire bricks be used in the construction of heat shields?: Yes, insulating fire bricks can be used in the construction of heat shields. Insulating fire bricks are specially designed to handle high temperatures and provide excellent thermal insulation. They can effectively absorb and distribute heat, making them ideal for creating heat shields that protect against intense heat and prevent it from reaching sensitive areas or materials.

Q: Are insulating fire bricks suitable for insulation in heat treatment furnaces?: Insulation in heat treatment furnaces can be effectively achieved by using insulating fire bricks. These bricks have been specifically engineered to endure high temperatures while offering exceptional thermal insulation. Their low thermal conductivity aids in reducing heat loss and ensuring a consistent temperature within the furnace. Furthermore, insulating fire bricks are lightweight, facilitating easier handling and installation. Moreover, they exhibit considerable resistance to thermal shock, enabling them to withstand sudden temperature variations without sustaining any cracks or fractures. To sum up, opting for insulating fire bricks proves to be a trustworthy and efficient solution for heat treatment furnace insulation.

Q: Are insulating fire bricks resistant to fluorine gas?: Insulating fire bricks are not typically resistant to fluorine gas. Fluorine gas is highly reactive and corrosive, and it can react with various materials, including insulating fire bricks. The corrosive nature of fluorine gas can cause damage to the structure and integrity of the fire bricks, leading to their deterioration or failure over time. Therefore, it is advisable to choose a different type of refractory material that is specifically designed to withstand the corrosive effects of fluorine gas if it is required for a particular application.

Q: Are insulating fire bricks resistant to vibration or seismic activity?: Yes, insulating fire bricks are typically resistant to vibration or seismic activity. They are designed to withstand high temperatures and provide insulation, which also makes them relatively stable and resistant to external forces such as vibrations or seismic activity.

Q: Can insulating fire bricks be used in the construction of glass slump molds?: Insulating fire bricks can indeed be utilized in the construction of glass slump molds. These bricks are composed of lightweight materials capable of enduring high temperatures, rendering them appropriate for kilns and other heat-intensive applications. When creating a glass slump mold, it is crucial to possess a material capable of withstanding the heat generated as the glass slumps and takes form. Insulating fire bricks offer the necessary insulation and heat resistance essential for this procedure. They can be cut and shaped to accommodate the desired mold design without succumbing to degradation or crumbling, even after repeated firings. As a whole, insulating fire bricks present a dependable and long-lasting choice for constructing glass slump molds.

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

Q: Can insulating fire bricks be used in the construction of combustion flues?: Yes, insulating fire bricks can be used in the construction of combustion flues. Insulating fire bricks are designed to withstand high temperatures and are often used to line combustion chambers and flues to provide insulation and prevent heat loss. They have excellent thermal properties, making them suitable for this purpose.

Q: Do insulating fire bricks require any curing or drying time before use?: No, insulating fire bricks do not require any curing or drying time before use. They are ready to be used immediately after installation.

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