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What is made of alumina chemical filling balls?

Ceramic alumina chemical filling balls are widely used as the covering or supporting materials of the catalyst in the reactors and the packing in the columns in such varied areas, for examples, petroleum, chemical industry, chemical fertilizer, natural gas and environmental protection etc. The ceramic balls have the advantages of high temperature and high pressure resistance, low water adsorption, stable chemical performance, it also resistance to acid, alkali, and some organic solvent.


Aluminum balls are made from alumina bauxite or industrial alumina. the main content of aluminum balls is aluminum oxide which has a melting point of over 2000℃, and is extremely hard.

The mechanical strength of aluminum ball is very high. Because the working environment is usually in extreme condition where ceramic, steels, coal or other materials are burned. For example, the steel-making process requires a high temperature up to more than 1600℃, so the balls when using as a temperature-protective material should at least able to tolerate more than 1600℃.

The condition in a stove is very tough, usually there are gases, slags that would cause severe corrosion if the material is not good enough. So it requires very high standard on the balls.

The aluminum balls produced by Zawa have high mechanical strength, high corrosion resistance, and can bear the erosion by acidic or alkaline materials. The balls are also clean and will not have bad effect on the quality of other materials being produced. According to experiment, the balls when used for grinding are twice efficiency as that of natural stones. And because of its nature of high hardness, the grinding process will cause little consumption in the bulk of the balls, so this is how the material has a very long service life. The long service life means the material can be used again and again, so the cost of buying can be lowered to a very idealistic level. So they are excellent grinding tools for the grinding machines.

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