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Mullite Insulation Brick JM23 JM26 JM28 Insulating Refractory Brick

Categories Thermal Insulation Brick
Brand Name: Rongsheng Xinwei
Model Number: JM23 JM26 JM28 JM30 JM32
Certification: ISO9001
Place of Origin: Zhengzhou
MOQ: 1 Ton
Price: 200-800 USD
Payment Terms: TT; L/C
Supply Ability: 2000 tons/month
Delivery Time: 10-20 Days
Packaging Details: packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages
Alkali Resistance: High
Application: High Temperature Furnace Lining
Color: White
Compressive Strength: ≥1.5 MPa
Fireproof Performance: Excellent
Flexural Strength: 0.2-0.3Mpa
Material: Ceramic
Moisture Resistance: High
Porosity: ≤22%
Shape: Rectangular
Size: 230x114x65mm
Thermal Conductivity: ≤0.4 W/(m·K)
Thermal Resistance: High
Thermal Shock Resistance: ≥3 times
Thickness: 30-200mm
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Mullite Insulation Brick JM23 JM26 JM28 Insulating Refractory Brick

Factory Direct Price Rongsheng Mullite Insulation Brick JM23 JM26 JM28 Insulating Refractory Brick

Mullite insulation brick is a high-alumina refractory material with mullite as the main crystal phase. Generally, the alumina content is between 40% and 70%. The working temperature ranges from 1300°C to 1600°C. The advantage of mullite lightweight insulating refractory brick is that the mullite bricks can be exposed to flames and can be directly used as the lining of high-temperature kilns. Mullite lightweight insulation brick is a refractory insulation material widely used in new industrial kilns and high-temperature equipment.

Features of JM23 JM26 JM28 Mullite Insulating Firebrick
● Low thermal conductivity
● High strength and corrosion resistance
● Low heat capacity
● Low impurity content
● High temperature resistance
● Good insulation performance
● Good thermal shock resistance
● Lower bulk density
Product Application of Mullite insulation brick
Mainly used for hot blast furnace top, blast furnace stack and bottom, glass furnace regenerator, ceramic sintering kiln, dead corner lining of petroleum cracking system,ethylene pyrolysis furnaces, tubular furnaces,reforming furnaces of synthetic ammonia,gas generators,linings or heat-insulating materials of the industries,etc.
1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace
Product Specification of JM23 JM26 JM28 Mullite Insulating Fire Brick Thermal Insulation Brick
The size of the mulliate insulation brick is 230*114*65mm. Other sizes can be customized according to drawings.

Item Brand

JM23JM26JM28JM30
Max Temperature ( C)1260146015401700
Bulk Density (g/cm3)0.55-0.600.80.891.03
Cold Crushing Strength (Mpa)1.21.62.12.5
Modulus of Rupture (Mpa)0.91.41.62.1

Reheating Linear Change (%)

CT -30 °CX 8H

1230 °C

-0.5

1400 °C

-0.5

1510 °C

-0.5

1620 °C

-0.9

Thermal Expansion

1100 °C( % )


0.5


0.7

0.8

0.8

Thermal conductivity (W/m.k )400 °C0.140.270.320.41
600 °C0.160.290.340.43
800 °C0.180.310.360.44
1000 °C0.200.330.380.45
Al2O3 %37506472
Fe2O3 %1.01.01.00.5
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