الوصف

Name:Andalusite;

Category: Aluminosilicate Minerals;

Moth hardness:6.**7.5;

Proportion:3.***3.*6g/cm3;

Color: flesh red or dark red, gray, white, etc;

Shape:A columnar crystal with a form of radiation or particles;

Product features:

1. The volume expansion of heating is about **6 percentage points;

2. The content of aluminum is about *5;

3. Andalusite heating ***0 degrees centigrade will become mullite;

4. Advanced refractory raw material, stable performance at high temperature,high mechanical strength, low volume expansion, acid resistance, resistance to cold and heat, high mechanical strength, high thermal shock resistance, high slag resistance, load conversion, high chemical stability, chemical corrosion resistance strong;

Application:

1. Iron soup materials of blast furnace and cowper blast air heater:Refractory material: andalusite containing a small amount of corundum, trace Kyanite and Sillimanite and TiO2, TiO2 generate aluminium titanate high strength refractory compounds under high temperature;

2. Smelting silicon aluminum alloy:raw material;

3. Craftwork ornament:raw material;

4. Smelting industry, technical ceramics industry, glass, ceramics, cement, etc:Advanced refractories;

5. The plane, the spaceship, the radar, etc.