melting raw material Bulgaria

... the main components of most detergents and preparations for degreasing and removing deposits from metal and machine parts. Neutral silicates are used as raw material for the production of precipitated silica, metal silicates, and refractory substances. Silicates with a ratio of three or more are excellent binders for gluing paper and cardboard. They are also used for obtaining waterproof concrete, for the preparation of acid-resistant screeds, and refractory materials.