Hollow Alumina Sphere Bricks
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1.Hollow Alumina Sphere Bricks
2,high temperature resistance
3.low thermal conductivity
4. good thermal insulation
Hollow Alumina Sphere Bricks
Scope of application
They are widely used in inner linings of various non-contacted melt high temperature kiln and thermal insulating layers of high temperature kilns.
| Physical and Chemical Indexes of Hollow Alumina Sphere Bricks | |||||
| Chemical composition | 2O3 % ≥ | ||||
| 2O3 % ≤ | |||||
| 2 % ≤ | |||||
| Bulk densityg/m3≤ | |||||
| Compressive strength at normal temperature MPa≥ | |||||
| Hot side 1000°C W/m.k≤ | |||||
