“This is going to be huge in terms of allowing us to bring aluminum manufacturing back to the U.S. and addressing the ...

By replacing bauxite with carbon-free calcium silicate rocks, Brimstone aims to reduce the dependence ... "Brimstone to produce smelter-grade alumina, enhancing US aluminium supply chain" was ...

From there, a sand casting mold is built around the pattern using sodium silicate in a 3-4% mix by ... simple gravity casting method using molten aluminium. The part is then removed from the ...