Assertion: steel wool | /r/HasProperty | coated with a thermosetting resin
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text: Tbovercome the above described drawback, after much investigation, the present inventors have found that such a drawback can easily be overcome by using steel wool as the principal or major portion of reinforcement, the steel wool being coated with a thermosetting resin and in particular the surface of the steel wool being pretreated with a liquid thermosetting resin.