K23 JM23 Mullite Insulation Brick
Tel: +86 130 7370 2298
E-mail: sales@refractorygroup.com
Description
K23 JM23 Mullite Insulation Brick uses high-purity
mullite as raw material, and adds different amounts of aluminum oxide
powder according to different types. The product is calcined at high
temperature, so it has excellent high temperature resistance. This brick
is a new type of energy-saving and thermal insulation material, which
will not volatilize toxic and harmful substances even in high
temperature, so you can use it safely. The product has high hot
compressive strength and low thermal conductivity, so it has good
thermal insulation effect. The product contains less impurities, so it
has high fire resistance. Due to the low thermal conductivity, the
product has less heat energy accumulation, so the energy-saving effect
is obvious.
Features
1. The product has light
weight and high dimensional uniformity, so it can greatly accelerate
the masonry speed and reduce the use of refractory mud.
2. The
product has high hardness and strength, so it can ensure the strength
and stability of the masonry, thus extending the service life of the
furnace and other equipment.
3. K23 JM23 Mullite Insulation Brick is mainly used in
hot blast furnaces, glass furnace regenerators, ceramic sintering kilns,
petroleum cracking systems, etc.
4. The low thermal conductivity
makes the product have good thermal insulation effect and high fire
resistance. The high aluminum content makes it still maintain good
performance in reducing atmosphere.

JM-23 Model | Volume density | Reheating Linear Change | Cold Compression Strength | Bending Strength At Normal Temperature | Thermal Conductivity | Al2O3 | SiO2 | Fe2O3 |
- | g/cm3 | 1300℃*12h, % | Mpa | Mpa | 350℃w/m·k | % | % | % |
A | 0.5 | -1 | 1.2 | 0.9 | 0.16 | 42 | 54 | 0.8 |
B | 0.55 | -0.6 | 1.3 | 1 | 0.17 | 42 | 54 | 0.8 |
C | 0.6 | -0.5 | 1.6 | 1.1 | 0.19 | 44 | 52 | 0.8 |
D | 0.8 | -0.4 | 2.2 | 1.3 | 0.24 | 45 | 51 | 0.9 |
E | 1 | -0.2 | 2.8 | 1.7 | 0.31 | 45 | 51 | 0.9 |
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