High Alumina Firebrick China
Specifications
1. low thermal conductive, low heat storage2. purity
3. good thermal insulation, enable the use of thin-walled constructions
Insulating Firebrick
Description
- CT firebricks are made from high-purity refractory clays, temperature of use ranging from 1100 oC to 1700 oC, each grade is formulated to meet specific thermal and physical requirements.
- With graduated additions of alumina for higher temperature products
- Carefully grade d organic filler
- The organic filler burns out during manufacture to give a uniform, control pore structure.
Features
- low thermal conductive, low heat storage
- purity
- good thermal insulation, enable the use of thin-walled constructions
- the good alumina contents confer good refractoriness
- iow iron and alkali fluxcontent contributes to their stability to reducing atmosphere
- these can be machined to special shapes, incurring fewer sections and joints
Typical Application
- Recommended for use as primary hot face refractory lining or as back-up insulation behind other refractories in furnaces, kiln, flues, heaters, regenerators, stress relieving furnaces,etc
Date Sheet
| Type | TJM 23 | TJM B5 | TJM 26 | TJM 28 | TJM 30 | |
| Classification temperature (°C) | 1260 | 1300 | 1430 | 1540 | 1600 | |
| Properties at mean temperature | ||||||
| Density (kg/m3) | 500 | 800 | 800 | 900 | 1100 | |
| Compressive strength (MPa) | 1.0 | 2.0 | 2.0 | 2.5 | 3.0 | |
| Rupture strength (MPa) | 0.7 | 1.2 | 1.5 | 1.8 | 2.0 | |
| Properties at high tempetature | ||||||
| Thermal conductvties (W/m.k) |
0.22(600°C) 0.27(800°C) |
0.28(600°C) 0.30(800°C) |
0.39(800°C) 0.43(1000°C) |
0.37(800°C) 0.41(1000°C) |
0.43(800°C) 0.45(1000°C) |
|
| Al2O3 | 45 | 45 | 55 | 64 | 73 | |
| Chemical composition (%) | SiO2 | 48 | 50 | 41 | 32 | 25 |
| Fe2O3 | 1.0 | 1.0 | 0.9 | 0.7 | 0.6 |
Product pictures
Office in Nanjing
Factories in China
Construction projects
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