Ceradyne, Inc., a 3M company, supplies isotopically enriched materials designed for pressure water reactors. 3M™ 7Li Enriched Lithium Hydroxide is used to neutralize the acidity created by the addition of boric acid to primary coolant solutions. By controlling the coolant pH, the enriched lithium hydroxide helps limit corrosion of the internal reactor components while reducing formation of unwanted decay products.Information provided by 3M™ |