| http://www.w3.org/ns/prov#value | - Generally, for a fused agglomerate, particle sizes no more than 1% by volume over 120 ??m, for example up to 110 ??m, preferably up to 100 ??m, but preferably at least 90% by volume more than 5 ??m, especially at least 10 ??m, should be used.
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