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HydroGraph to Showcase Graphene-Carbon Black Hybrid for Cost-Effective Conductive Compounds at AMI Plastics World Expo

CLEVELAND, Nov. 05, 2026 (GLOBE NEWSWIRE) -- HydroGraph Clean Power Inc. (CSE:HG) (OTCQB:HGRAF) ("HydroGraph" or the "Company") today announced that it will showcase a graphene-carbon black hybrid