High Alumina Insulation Brick
MOQ<5tons
Products Description
High alumina insulation brick is a new type of thermal insulation brick in the lightweight high alumina brick series. It is mainly made of high alumina clinker and high purity clay, filled with polystyrene foam balls, and made by burning. It has the characteristics of high raw material purity, uniform pore structure, low thermal conductivity, low heat capacity, high strength, and high dimensional accuracy.

Products Parameters
|
Properties Brand |
LG-99 |
LG-90 |
LG-85 |
|
|
|
Al2O3 |
≥99 |
≥90 |
≥85 |
|
SiO2 |
≤0.3 |
≤7 |
≤13 |
|
|
Fe2O3 |
≤0.1 |
≤0.1 |
≤0.2 |
|
|
Bulk Density (g/cm3) |
1.45~1.60 |
1.45~1.60 |
1.45~1.60 |
|
|
Cold Crushing Strength (MPa) |
≥15 |
≥15 |
≥20 |
|
|
@ 1600℃ Permanent Linear Change (%) |
±0.2 |
±0.2 |
±0.3 |
|
|
@ 800℃ Thermal conductivity (W/m.k) |
≤1.4 |
≤1.4 |
≤1.4 |
|
|
(℃) Maximum Service Temperature |
≥1800 |
≥1700 |
≥1600 |
|
Products Features
(1) Convenient construction, can be processed or cut into any size, also known as high-aluminum polylight cutting and grinding brick
(2) Large porosity, small bulk density, light weight
(3) High refractory temperature, good thermal insulation performance
(4) Excellent thermal shock resistance
Products Application
1: High-temperature industrial kilns: used for the lining and insulation layer of high-temperature industrial kilns such as ceramic kilns, glass kilns, cement rotary kilns, etc.
2: Iron and steel smelting: used for the lining of blast furnaces, converters, electric furnaces and other iron and steel smelting equipment, which plays a role in heat insulation and heat preservation.
3: Petrochemical industry: used for petrochemical cracking furnaces, heat treatment furnaces and other equipment, which can resist high temperature and chemical erosion.
4: Energy industry: used for energy equipment such as boilers and waste incinerators, providing good heat insulation and heat preservation effects.
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