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HydroGraph Certifies Modern Dispersions as Compounding Partner for Scale Graphene Masterbatch Production in North America

LEOMINSTER, Mass., June 16, 2026 (GLOBE NEWSWIRE) -- HydroGraph Clean Power Inc. (CSE:HG) (OTCQB:HGRAF) ("HydroGraph" or the "Company") today announced that Modern Dispersions, Inc. (MDI) has earned certification as a