| http://www.w3.org/ns/prov#value | - Accordingly it is preferred that at least 70%, more preferably at least 80%, even more preferably at least 90%, yet more preferably at least 95%, yet more preferably at least 99%, more preferably at least 99.9% of the particles of the filler has a particle size of at the most 2000 ??m, preferably at the most 1500 ??m, such as at the most 1000 ??m, for example at the most 750 ??m.
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