High-alumina insulation brick is mainly made of high-purity alumina and a small amount of additives made of a high-temperature insulation material. High-alumina insulation brick can withstand high-temperature thermal stress in long-term use without deformation or cracking, and is a high-performance heat-insulating material.
High alumina insulation brick is a kind of high performance refractory material, the main component is high purity alumina and a small amount of additives, after a certain process to make a kind of high temperature insulation material. High alumina heat-insulating bricks have extremely low thermal conductivity and excellent high-temperature heat-insulating properties, and can withstand high-temperature thermal stress without deformation or cracking in long-term use, making them a high-performance heat-insulating material.
Excellent high-temperature thermal insulation performance
High-alumina thermal bricks have a very low thermal conductivity, which can effectively isolate high-temperature heat sources and protect the surrounding environment from the effects of high temperatures. At the same time, high alumina heat-insulating bricks have good high-temperature resistance, can withstand thermal stress at high temperatures, and will not be deformed or cracked in long-term use.
Good acid and alkali corrosion resistance
High-alumina insulation brick has excellent acid and alkali corrosion resistance, can be used for a long time in acid and alkali corrosive environment without damage.
Good wear resistance
High-alumina heat-insulating bricks have good abrasion resistance, and can be used for a long time without abrasion in harsh environments such as high temperature and high pressure.
Strong oxidation resistance
High-alumina insulating bricks have good anti-oxidation performance, can be used for a long time under high temperature and high oxidation environment without oxidation reaction.
Convenient construction
High-alumina insulation bricks are easy to manufacture and install, and can be cut and processed according to the needs, applicable to a variety of different shapes of heat-insulating surfaces.
Environmentally friendly, non-toxic and harmless
High-alumina thermal insulating bricks are made of high-purity alumina as the main raw material, which does not contain harmful substances and meets the requirements of environmental protection, and is harmless to the human body and the environment.
High temperature kiln
High alumina insulation bricks can be used in high temperature furnaces, such as iron and steel smelting furnaces, glass melting furnaces, cement kilns and so on.
Industrial Furnace
High-alumina heat-insulating bricks can be used for heat insulation and preservation of various industrial hearths, such as chemical industry hearths, petrochemical industry hearths, metallurgical industry hearths and so on.
Heat treatment equipment
High-alumina insulation bricks can be used for heat insulation of various heat treatment equipment, such as heat treatment furnace, annealing furnace, quenching furnace, etc.
High-temperature pipeline
High-alumina insulating bricks can be used for heat insulation of high-temperature pipelines, such as heat exchangers, hot-air furnaces, heat pipes and so on.
Item | High Alumina Refractory Insulating Brick, Insulation Brick | |||
---|---|---|---|---|
LG-0.6 | LG-0.8 | LG-1.0 | LG-1.3 | |
Al2O3% ≥ | 45 | 48 | 48 | 48 |
Fe2O3% ≤ | 2 | 2 | 2 | 2 |
Bulk Density (g/cm3) ≤ | 0.6 | 0.8 | 1 | 1.3 |
Cold Crushing Strength(MPa) ≥ | 1.8 | 2.5 | 3 | 5 |
Linear Change On Reheating 2% (ºC*h) ≤ | 1200ºC*12h | 1250ºC*12h | 1300ºC*12h | 1350ºC*12h |
Thermal Conductivity(w/m.k,{350±25ºC}) ≤ | 0.25 | 0.32 | 0.45 | 0.55 |
Maximum Use Temperature (ºC) ≥ | 1250 | 1250 | 1300 | 1350 |
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