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Classification of Talc
Talc is in most cases classified according to the color it has and depending on its softness. Nonetheless there is not any standard way of classifying it. There is a whiter variety that is more sought after to the dull and other varieties that are tinted. Talc is mainly utilized in the pulverized form. Close to ninety percent of the production of talc in the world is pulverized to be used in diverse applications and the other ten percent is utilized in the form of blocks and bricks. Appropriate size lumps are taken from the run of mine so they can be made into blocks and be cut into diverse sizes, which are done with knives. There are other materials that are sold to pulverizers so they can be resold to consumers as well. Talc is pulverized down to a very fine powder, anywhere from 200 mesh to 325 mesh. In order to prepare cosmetics, talc that has a mesh of over 300 is needed. The fine mesh sizes of 200 and above are prepared to be used as a filler in paper, textile and rubber however this obviously largely depends on how much fineness the consumers require of. The market conditions depend on the color of the talc, as well as the chemical make up, fineness, oil absorbency property and the bulk density.
