Water-borne complete inorganic alkali metal silicate composition and its aqueous solution, and water-borne coat agent, its aqueous solution, complete inorganic colored coating material and binder for high temperature and heat resistance coating material of the same composition, as well as method of using water-borne complete inorganic alkali metal silicate compound

The invention provides a water-borne complete inorganic alkali silicate composition capable of solving the problem of gelation occurred in a preservation solution without using anionic organic substances, expanding the range of application dramatically, additionally solving the problem of efflorescence after coating, which is the biggest problem when the molar ratio is low, and furthermore curing at normal temperature without baking, enabling long-lasting effects.The water-borne complete inorganic alkali silicate composition is comprised of a mixture of an alkali metal silicate including a simple or a mixture of potassium silicate or sodium silicate, a colloidal silica, and a simple or a mixture of a sodium phosphate compound or a potassium phosphate compound.