Sodium silicate has been known since the early 19th century when it was first produced by melting sand (silica) with sodium carbonate. Its aqueous solution is called "water glass" or "liquid glass," and is characterized by the ability to dissolve in water and form a stable colloidal solution. The term 'sodium silicate' is also used, especially in the European context, highlighting its... https://www.nanotrun.com/blog/sodium-silicate-a-multifunctional-water-glass-in-modern-chemistry-and-industry_b1484.html