Product description
Insulating castable refractory cement are mainly made of lightweight refractory aggregates, powders, and binder admixtures.
Insulation castables can be divided into: according to volume density:
Semi-light insulation castable, bulk density is 1.0~1.8g/cm³;
Lightweight refractory castable, bulk density is 0.4~1.0g/cm³;
Ultra-light refractory castable with a bulk density of less than 0.4g/cm³.
The smaller the density, the better the thermal insulation performance, and the higher the price.
Application of insulating castable refractory cement
Insulating castable refractory cement commonly used as linings of kilns, thermal equipment, flues and smoke windows in industrial sectors such as metallurgical machinery, petrochemicals, electric power and building materials. Thermal insulation (thermal insulation) layer. But now, with the improvement of the material of lightweight refractory castables and the advancement of preparation technology, there are many occasions where it is directly used as the working lining of atmosphere furnaces. Generally, low-temperature and medium-temperature lightweight castables are mainly used as thermal insulation linings and are not in direct contact with flames. A large part of high-temperature lightweight castables are directly used as working linings that are not in contact with the melt or solid medium in the furnace. In particular, it can be used as the working lining of winter seed heating furnaces and heat treatment furnaces, which can greatly save energy consumption.
Physical and chemical index of insulating castable refractory cement
|
Items |
CH-0.6 |
CH-0.8 |
CH-1.0 |
CH-1.2 |
CH-1.4 |
CH-1.6 |
|
Bulk density g/cm3 ≥ |
0.6 |
0.8 |
1.0 |
1.2 |
1.4 |
1.6 |
|
Compressive strength (110℃×24h) MPa ≥ |
1.5 |
2 |
3 |
4 |
8 |
18 |
|
PLC (800℃×3h)/ % |
0～1.7 |
0～1.5 |
0～1.2 |
0～0.8 |
0～0.7 |
0～0.6 |
|
Thermal Conductivity (350±25℃) W/m.k ≤ |
0.20 |
0.25 |
0.35 |
0.45 |
0.60 |
0.70 |
|
Application temp /℃≤ |
620 |
800 |
1000 |
1100 |
1200 |
1300 |
Packages
Factory introduction
Zhengzhou Caihua Kiln Masonry Installation Co., Ltd, be called for short of CH Refractories was founded in 1984, have advanced process equipment and raw material preparation system.
A full set of refractories conventional testing equipment, can ensure the quality before sending to customers. Annual production of a variety of shaped and unshaped refractory materials 120,000 tons.
CH Refractories mainly produce refractory materials for metallurgical, coking, cement industry, electric power industry, chemical and general industrial furnaces. The refractory products exported to Middle east, South America, Middle Asia, Southeast Asia, Africa and other regions.
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Physical and chemical index of insulating castable refractory cement
|
Items |
CH-0.6 |
CH-0.8 |
CH-1.0 |
CH-1.2 |
CH-1.4 |
CH-1.6 |
|
Bulk density g/cm3 ≥ |
0.6 |
0.8 |
1.0 |
1.2 |
1.4 |
1.6 |
|
Compressive strength (110℃×24h) MPa ≥ |
1.5 |
2 |
3 |
4 |
8 |
18 |
|
PLC (800℃×3h)/ % |
0～1.7 |
0～1.5 |
0～1.2 |
0～0.8 |
0～0.7 |
0～0.6 |
|
Thermal Conductivity (350±25℃) W/m.k ≤ |
0.20 |
0.25 |
0.35 |
0.45 |
0.60 |
0.70 |
|
Application temp /℃≤ |
620 |
800 |
1000 |
1100 |
1200 |
1300 |
