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Rio Tinto exits aluminum composites business, transfers customers to Canada’s Cymat

By Thomson Reuters Jul 21, 2026 | 12:36 PM

July 21 (Reuters) – Rio Tinto has agreed to transfer customers from its aluminium metal ​matrix composites (MMC) business to ‌Canada’s Cymat Technologies, as the world’s largest iron ore producer exits the business, Cymat said on Tuesday.

• ‌Cymat ​and Rio Tinto ⁠Alcan, the miner’s ⁠aluminium division, signed a commercial deal, according to which Rio will hand over its commercial ​customer base to the Canadian firm.

• The deal is ⁠for Cymat to ⁠pay Rio Tinto $750 per ​metric ton of MMC sold or ​used over five years, capped ‌at $500,000.

• Rio Tinto has produced and sold the proprietary ceramic-infused aluminium material, which is used ⁠primarily in automotive and rail applications, for more than 40 years, Cymat ⁠said ‌in its statement.

• Rio ⁠Tinto’s MMC customers include ​European ‌brake disk manufacturers supplying ​commercial vehicle ⁠and rail markets, Cymat added.

• Rio Tinto didn’t immediately respond to Reuters’ request for comments.

(Reporting by Rajasik Mukherjee; Editing by ​Joyjeet Das)