Potassium Silicate

Potassium silicate is a water-soluble and glass-forming silicate salt that is commonly used as an adhesive in welding rods. Formula is K2SiO3.

In horticulture, potassium silicate is used as a soluble source of potassium and silicon. It also makes the growing medium more alkaline.

Some cleaning formulations use potassium silicate, which also serves as a corrosion inhibitor in cosmetics.