What is the basic knowledge of grinding mill purchasing?

No matter enterprise or individual client, some knowledge should be known before purchasing a grinding mill.

When negotiating with grinding mill manufacturer, the technical staff or marketing staff will talk about material hardness. The hardness has two types: absolute hardness and Mohs hardness. Absolute hardness is only for raw gemstone. Mohs hardness is widely applied in mineral industry. The hardness value is not absolutely value, but is the order of hardness. Mohs hardness uses ten kinds of minerals to measure material hardness.

Another important unit is product fineness-mesh. Mesh is the screen holes quantity in 1 square inch. If the powder is 200 mesh, it can pass the screen with 200 holes.

Moreover, you should also pay attention to the whole structure of grinding mill. Generally speaking, a grinding mill system including the main mill, classifier, pipe system and blower.

After you know well about the knowledge above, you will feel free to purchase a grinding mill.