With the increasing fineness requirements of materials, the use of sand mills is becoming more and more common, and there are more grinding media in the market. How to choose a grinding media that is more suitable for its own production process and c…

Alumina can be divided into high-purity type and common type. The purity of high-purity alumina Al₂O₃ is greater than 99%, and the sintering temperature is as high as 1650 ° C to 1990 ° C. The purity of ordinary alumina Al₂O₃ is less than 99%, and so…