Hollow Alumina Sphere Bricks

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 density g/m3≤
Compressive strength at normal temperature MPa≥
Hot side 1000°C W/m.k≤