December 15, 2025 – Big Blue Technologies is proud to announce that we have secured offtake agreements for our calcium aluminate co-product at a volume of 16,000 tons per year for at least three years. The calcium aluminate produced from BBT’s pilot system was tested and found to conform to, or exceed commercial standards for applications such as cements, steel fluxes, and refractories. These agreements represent economic and commercial validation of BBT’s aluminothermic production route for the magnesium metal, proving economic benchmarks of profitability.
Calcium aluminate is a commodity infrastructure material used in a variety of applications such as casted structures, steel refining, mortars, and water treatment. There is only one producer in North America; the US has a major import reliance. Big Blue Technologies aims to replace imports with domestically-produced material to secure our supply chains and downstream industries.
