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How to Select the Right Materials of Grinding Jars and Balls for Planetary Ball Mill

Selection of the materials of the grinding jars and balls mainly depends on the sample materials. Rule of thumb, the material of jars and/or balls must be harder than the sample material. Otherwise, it is actually the jars and balls which will be ground by the samples in the grinding process.  As a result, the material of the jars and balls will become contamination in your sample materials.   

In order to make the grinding process more efficient and obtain samples with less contamination, there are many other factors to be considered, such as density of the materials of the...

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