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Contact Person:Minnie Zhang

Tel: +86 546 6853125

Mobile: +86 18860633556

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Add:No.689, Yongan Rd, Dawang, Guangrao, Shandong, PRC

Introduction to high aluminum balls

High alumina balls are a category of alumina balls, which are referred to as high alumina balls due to their high alumina content. High-aluminum balls can be subdivided into 90, 92, 95, 99 and other series according to the alumina content.


Features:


High aluminum balls are widely used in different types of ceramics, enamels, glass, and chemical industries due to their high strength, high hardness, high wear resistance, specific gravity, small size, high temperature resistance, corrosion resistance, non-pollution and other excellent properties. Waiting for the finishing and deep processing of thick and hard materials in the factory.


Taking a high-aluminum ball with a content of 92% as an example, its specific gravity (density) should reach more than 3.60, the alumina content should reach more than 91.5%, and the iron content should be low. With the same raw materials, the same formula, and the same firing temperature, the smaller the fineness of the powder after grinding the raw materials, the higher the specific gravity and the better the wear resistance. The specific gravity of high-aluminum balls is mainly affected by the powder and firing. Factors such as raw (undercooked) burning, excessively coarse powder, and the addition of impurities will lead to insufficient specific gravity of the balls. Ball stones with low specific gravity are not wear-resistant and easy to crack, but high specific gravity does not mean that ball stones are necessarily wear-resistant, because over-sintered ball stones can also reach a higher specific gravity.


The most important quality indicator of ball stones is wear resistance. Some testing institutions can also do wear tests. These test reports can show the quality of ball stones, but the data are for reference only, because the environmental conditions of the laboratory testing and the production process The environment is very different. First of all, the test is for water grinding, while many manufacturers use dry grinding. Secondly, many times no other raw materials are put into the test, just the friction between ball stones. In the actual production process, It is necessary to add various raw materials. In the actual use process, to detect the wear of ball stones, more records must be made. After the initial mixing, by recording the number of ball stones added and combining with the output, the wear of ball stones in production can be calculated, so as to compare the high-aluminum Comparing the cost of the ball with other grinding balls can also compare the quality of ball stones between various manufacturers. In addition to the hardness and fineness of the feed material, factors that affect the ball stone wear include the grinding method (such as the difference between dry grinding and wet grinding), the speed of the ball mill, whether the ratio of the ball stones is reasonable, the viscosity of the feed material, etc. factor.


The main domestic production areas of ordinary high-aluminum balls are Shandong and Foshan, Guangdong. Shandong's brands include Sinoma, Kunpeng, Dongci, etc., while Foshan has Wangao and Tegaote. Among them, Sinoma has the largest scale and output, and its microbeads The quality is recognized by peers and customers at home and abroad, and the quality of Wangao's products is the most stable.