Sibur polymer catalysts project in Tatarstan nears halfway pointFeb 6, 2026Sibur's Kazan chromium catalyst plant is 46% complete, targeting 2027 completion to supply 8 MMt/y to the domestic polyolefins sector.Sibur polymer catalysts project in Tatarstan nears halfway pointchemweekTopic tracking2026-02-06Sibur polymer catalysts project in Tatarstan nears halfway point2026-03-27Brazil’s Braskem stock down 10% as auditors flag going-concern uncertainty amid restructuring