GMG is a certified Verified Graphene Producer®; independently verified by the Advanced Carbons Council (ACC) through rigorous in-person facility inspections and world-class material characterisation.
The ACC verifies that material comes directly from the production stream, ensuring complete traceability and authenticity. The verification follows the Graphene Classification Framework (GCF) and current international standards, including ISO/TS 9651:2025, ISO/TR 19733:2019, ISO/TS 80004-13:2017, and ISO/TS 21356-1:2021.