A synthetic, water-soluble bipolymer made by fermentation of carbohydrates; it is a thickening and suspending agent that is heat stable, with good tolerance for strongly acidic and basic solutions. Viscosity remains stable over wide temperature range.
Use:
In drilling fluids, ore flotation, and the food and pharmaceutical fields, especially in prepared mixed and high-protein fast foods. An experimental use is to flood oil fields as an aid to enhanced recovery.