Tabular Corundum
Products Description
Tabular corundum crystal plate shaped staggered, increase the mechanical strength of particles; The closed pores are mainly distributed in and between grains, with high volume density, low apparent pores and water absorption, which reduces the amount of liquid used in reproducts. The unique sodium removal process can significantly reduce the content of alkaline oxides in the product, and has superior physical properties such as high refractoriness, good thermal shock stability, low thermal shrinkage rate and good thermal load strength. At the same time, the high purity avoids the pollution of impurities to the system, and is the ideal raw material for the production of high-grade refractory materials, ceramic materials and insulation materials.
Physical and Chemical Index
| Style | Chemical index | Physical proerties | |||||
| Al2O3 | SiO2 | Fe2O3 | Na2O | Volume density | Water absorption | Apparent porosity | |
| Fraction | 99.2%(min) | 0.1%(max) | 0.04%(max) | 0.4%(max) | 3.5 | 1.5 | 5(max) |
| Fine | 99.2%(min) | 0.15%(max) | 0.04%(max) | 0.4%(max) | 3.5 | 1.5 | 5(max) |
Products Features
1. Fire resistance is greater than 1800 degrees, and its melting point is as high as 2050 degrees.
2. It has a large crystalline and well-developed α-Al2O3 crystal structure, which greatly improves the anti-creep resistance of plate-shaped jade.
3. The structure of Tabular corundum: the small air pores are low in the pores of the opening, and the water absorption rate is low; the internal closed air holes are more, and the resistance of heat shakes and anti -peeling resistance is good.
4. Because the production process does not add any additives, the purity is high, the volume stability is good, and the overburning shrinkage is relatively small.
Products Application
Tabular corundum can be used as the main ingredient for aluminum carbon, aluminum -magnesium carbon, magnesium and aluminum carbon, magnesium spinel stone, aluminum chromium -resistant refractory resistance, and can also be introduced into high aluminum ingredients. In fixed -fired refractory materials, it can be widely used in steel, casting, ceramics and other industries.
The Tabular alumina corundum is used as a sliding water inlet, smelting rare metals, special alloys, high metals, glass brushes, and laser -making 坩埚 and utensils;
Tabular corundum is an ideal refractory raw material. It can be used as a osteophyte application in various aluminum refractory materials, or it can be added to other aluminum irregular refractory materials.
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