BRISBANE, QUEENSLAND, AUS, July 9, 2026 – (ACN Newswire) – Graphene Manufacturing Group Ltd. (TSXV: GMG) (OTCQX: GMGMF) (“GMG” or the “Company”) is pleased to announce positive performance test results for its THERMAL XR® ENHANCE coating – now surpassing 30,000 hours of salt spray testing under test method ASTM B117-19 at an external laboratory.Figure 1 shows the certification of no corrosion after 30,000 hours of salt spray testing from an external laboratory in the USA.Figure 1: Certification of 30,000 hours of salt spray test ASTM B117-19 for THERMAL-XR®To view an enhanced version of this graphic…
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