Shijiazhuang Mining Technology Co., Ltd.
Andalusite
Introduction of Andalusite:
Andalusite is a superior high-alumina refractory material, with high temperature stability, chemical resistance, heat resistance, strong impact resistance, high thermal mechanical strength characteristics. The color of andalusite is gray, pink and red-brown. Heated to 1300 ℃, andalusite will convert into mullite, which is one of the raw materials to produce advanced refractories.
Specification of Andalusite:
Grade | Al2O3 | Fe2O3 | TiO2 | Na2O | K2O | Ignition Loss 灼减（%） | Density(g/cm3) 密度（g/cm3) | Moisture(%) 水分(%) |
Y56 | ˃56 | ˂1.20 | ˂0.5 | ˂0.15 | ˂0.35 | ˂1.0% | ˃3.05 | ˂0.5% |
Y57 | ˃57 | ˂1.0 | ˂0.5 | ˂0.15 | ˂0.35 | ˂1.0% | ˃3.05 | ˂0.5% |
Y58 | ˃58 | ˂0.8 | ˂0.5 | ˂0.15 | ˂0.35 | ˂1.0% | ˃3.05 | ˂0.5% |
Size: 0-1mm, 1-3mm and 200 mesh.
Application of Andalusite:
The main application of andalusite is as follows:
Andalusite is widely be used in refractory, foundry, steel, ceramic, glass industries.
(1)Unshaped refractory materials:
Andalusite has the characteristics of high-temperature resistance. Adding andalusite in to the ingredients can control and reduce the shrinkage of refractory products at long-term high temperature. It also can extend the using time of refractory products.
(2)Refractory bricks:
Andalusite can be directly used as a refractory bricks. Andalusite refractory brick could be used in the key parts of hot air stove, hot air tower, various auxiliary pouring and operating equipment, kiln-making facilities, etc. It also can be used as a kind of high temperature aluminosilicate insulation.
Packing:
Packing: 1 mt/bag or 25kg/bag, or as per customer’s requirement.
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