| http://www.w3.org/ns/prov#value | - In view of rigidity, improvement of warpage and self-tapping properties of the resin composition, mica (D) used in the present invention is of an average grain size of preferably not less than 3 ??m, more preferably not less than 5 ??m, especially preferably not less than 10 ??m, but preferably not more than 200 ??m, more preferably not more than 150 ??m, especially preferably not more than 100 ??
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