Sodium metasilicate (Pentahydrate and Anhydrous)

A free-flowing beaded powder that is water soluble, with a silica to soda ratio of 1. Reduces slurry density, prevents solids segregation, promotes early strength, accelerates set times and reduces free water in cement. Common as a shale stabiliser in water-based drilling fluids and set accelerator in cementing systems; also used in fireproofing mixtures, detergents, adhesives and boiler compound.