| http://www.w3.org/ns/prov#value | - The precipitated silica which is then obtainable according to this embodiment of the invention and preferably by using a rotary vacuum filter is generally in the form of a powder, preferably with a mean size of at least 15 ??m, in particular between 30 and 150 ??m, for example between 45 and 120 ??m.
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