Insulating Fire Brick with Anti-Permeability Carbon

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Magnesia Carbon brick is resin-bonded brick made from dead-burned or fused magnesia and graphite. Anti-oxidant is added if required. Magnesia Carbon brick has good performance in thermal resistance, corrosion resistance and spalling resistance. Widely used in converters, EAFs, ladles and refining furnaces.

Magnesia Carbon brickis a very mature product in our area. As our area has 1/4 world storage of best quality Magnesia ore, we can provide as good quality as European Mg-C bricks with competitive prices. We also provide basic refracotry lining solution for CONVERTER, EAF, LF, LADLE, etc. these industrial furnaces.

The following are typial properties as per Chinese latest version standard. We also provide customer-tailored products as per customer special reuirements.

Specification

Sl. No.	MT10A	MT10B	MT10C	MT14A	MT14B	MT14C	MT18A	MT18B	MT18C
A.P. %	2	3	4	2	3	4	1	2	3
B.D. g/cm3	3.04	2.97	2.93	2.99	2.94	2.90	2.95	2.91	2.88
CCS MPa	40.2	34.8	29.8	35.6	30.5	26.7	32.8	27.3	25.3
Bending strength mpa 1400×30min	11.8	9.6	8.2	13.4	11.90	8.8	13.8	11.4	9.3
MgO %	81.34	80.10	78.73	78.16	76.53	75.24	73.68	71.99	70.56
C %	11.43	11.72	11.18	15.90	15.65	15.87	19.82	19.76	19.41
SiO2 %	0.91	0.97	1.04	0.98	0.96	1.05	0.99	0.96	1.08
Fe2O3 %	0.43	0.48	1.56	0.42	0.47	1.57	0.41	0.47	1.60
CaO %	1.25	1.24	1.38	1.24	1.25	1.37	1.26	1.25	1.36

Fused megnesia specification.

BRAND	CHEMICAL PROPERTY %					B.D. OF GRAIN > g/cm3
BRAND	MgO >	SiO2<	CaO<	Fe2O3<	Al2O3<	B.D. OF GRAIN > g/cm3
FM990	99.0	0.3	0.8	0.3	0.2	3.50
FM985	98.5	0.4	1.0	0.4	0.2	3.50
FM980	98.0	0.6	1.2	0.6	0.2	3.50
FM975	97.5	1.0	1.4	0.7	0.2	3.45
FM970	97.0	1.5	1.5	0.8	0.3	3.45
FM960	96.0	2.2	2.0	0.9	0.3	3.35

Q: Can insulating fire bricks be used as insulation in walls and roofs?: Yes, insulating fire bricks can be used as insulation in walls and roofs. They have excellent thermal insulation properties, high heat resistance, and are specifically designed for use in high-temperature environments.

Q: Can insulating fire bricks be used in the construction of combustion chambers?: Yes, insulating fire bricks can be used in the construction of combustion chambers. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for containing and directing heat in combustion processes.

Q: Are insulating fire bricks suitable for use in cement plants?: Yes, insulating fire bricks are suitable for use in cement plants. Insulating fire bricks are made from lightweight refractory materials that are designed to resist high temperatures and thermal shock. These bricks have low thermal conductivity, which means they can effectively insulate against heat transfer. In cement plants, where high temperatures are generated during the production process, insulating fire bricks can be used in various applications. They can be used to line the kiln, where the raw materials are heated to extreme temperatures to produce cement clinker. The insulating properties of these bricks help to reduce heat loss and improve energy efficiency in the kiln. Additionally, insulating fire bricks can be used to line the preheater tower and other high-temperature areas in the cement plant. These bricks provide insulation and protection against the intense heat, helping to prolong the lifespan of the equipment and reduce maintenance costs. Furthermore, the lightweight nature of insulating fire bricks makes them easier to handle and install compared to traditional refractory bricks. This can save time and labor during the construction or repair of cement plant equipment. Overall, insulating fire bricks are a suitable choice for use in cement plants due to their high-temperature resistance, low thermal conductivity, and ease of installation. They can contribute to improved energy efficiency, equipment durability, and cost savings in cement plant operations.

Q: Are insulating fire bricks resistant to acid or alkali attacks?: Typically, insulating fire bricks can withstand acid attacks due to their composition of materials like alumina and silica, which have strong resistance against acids. However, their ability to resist alkali attacks can differ based on the brick's composition and the concentration of the alkali solution. Certain insulating fire bricks may display favorable resistance to alkali attacks, whereas others may be prone to deterioration when exposed to alkali substances. To ascertain the level of acid or alkali resistance for a specific insulating fire brick, it is crucial to consult the manufacturer or refer to the product specifications.

Q: Are insulating fire bricks suitable for insulation in boilers?: Yes, insulating fire bricks are suitable for insulation in boilers. Insulating fire bricks are made from lightweight materials such as clay and alumina, which have excellent insulating properties. They have a low thermal conductivity, meaning they are effective at preventing heat transfer and can help to significantly reduce heat loss in boilers. Additionally, insulating fire bricks are resistant to high temperatures, making them suitable for use in boilers where high heat is generated. They are also durable and can withstand the harsh conditions inside a boiler, including exposure to intense heat and corrosive gases. Overall, insulating fire bricks are a popular choice for boiler insulation due to their thermal efficiency and ability to withstand high temperatures.

Q: Are insulating fire bricks resistant to oil and gas?: Insulating fire bricks typically offer resistance against oil and gas. These bricks are crafted from high temperature materials like alumina and silica, which grant exceptional thermal insulation qualities and can endure elevated temperatures. They are commonly employed in industries where exposure to heat occurs, such as furnaces, kilns, and fireplaces. Nevertheless, it is crucial to acknowledge that the resistance to oil and gas can vary depending on the precise composition and manufacturing process of the insulating fire bricks. Certain bricks may exhibit higher resistance to oil and gas compared to others. To guarantee the utmost resistance to oil and gas, it is recommended to utilize insulating fire bricks that are specifically engineered for such applications. These bricks are often known as oil and gas resistant fire bricks and are formulated with supplementary additives or coatings that enhance their resistance to these substances. In conclusion, although insulating fire bricks generally offer resistance to oil and gas, it is advisable to employ bricks that are specifically tailored for such applications to ensure optimal performance and longevity.

Q: Can insulating fire bricks be used for insulation in steam boilers?: Insulation in steam boilers can indeed be achieved by utilizing insulating fire bricks. These bricks have been specifically engineered to endure elevated temperatures and possess exceptional thermal insulation attributes. They find widespread employment in a multitude of insulation-demanding applications, one of which is steam boilers. By creating a shield that inhibits heat transmission to the surrounding surroundings, insulating fire bricks effectively curtail heat loss and boost energy efficiency in steam boilers. Furthermore, their lightweight composition and porous structure facilitate effortless handling and installation within steam boilers. Consequently, insulating fire bricks are an optimal preference for steam boiler insulation, as they contribute to augmenting their functionality and curtailing energy consumption.

Q: Can insulating fire bricks be used for fireplace construction?: Indeed, insulating fire bricks are suitable for constructing fireplaces. These bricks are specifically engineered to endure extreme temperatures while offering superb insulation, rendering them perfect for lining fireplaces. They aid in retaining heat, improving fireplace efficiency, and preventing heat dissipation. Furthermore, insulating fire bricks possess a lightweight quality, facilitating easier handling and installation. Ultimately, opting for insulating fire bricks in fireplace construction is a pragmatic decision that can enhance fireplace performance and energy efficiency.

Q: Can insulating fire bricks be used in the construction of ceramic fiber-lined kilns?: Indeed, the utilization of insulating fire bricks is possible for the construction of ceramic fiber-lined kilns. These specialized bricks are purposely designed to deliver exceptional insulation, rendering them ideal for situations that prioritize heat retention. By combining them with ceramic fiber lining, insulating fire bricks contribute to enhanced energy efficiency and diminished heat dissipation within kilns. Moreover, their lightweight nature and ease of handling facilitate simpler installation and construction of the kiln. Ultimately, the incorporation of insulating fire bricks in the construction of ceramic fiber-lined kilns positively impacts the kiln's overall performance and efficiency.

Q: Are insulating fire bricks suitable for use in carbon black furnaces?: Insulating fire bricks, made from refractory materials with excellent insulation properties, are well-suited for carbon black furnaces. These furnaces, operating at temperatures exceeding 1,000 degrees Celsius, benefit from the use of insulating fire bricks by reducing heat loss and improving energy efficiency. The bricks' thermal shock resistance is crucial for the cyclic heating and cooling within the furnace. Furthermore, their low thermal conductivity helps maintain a stable temperature inside the furnace and prevents excessive heat loss. In conclusion, insulating fire bricks provide a dependable and efficient lining option for carbon black furnaces.

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