| http://www.w3.org/ns/prov#value | - The mica particles have in general average particle sizes in the main dimension of from 5 to 400 ??m, preferably from 10 to 100 ??m, in particular from 30 to 70 ??m, while their average thickness is in general from 0.03 to 30 ??m, preferably from 0.2 to 5 ??m.
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