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1 result for “Owens-Corning Fiberglas”

1. Company document · JM Knowledge Chronology · January 24, 1958

   Dr. Kenneth Smith and the J-M Research Center on Free Silica in Finished Products (1958–1959)

   …at the Zelienople, Pennsylvania, brick plant were "converted in the ovens to crystobalite," which "would affect the employees who saw and package the brick." The study took over a year. In July 1959 Hugh M. Jackson…