Hydrous (or wet) ethanol is the most concentrated grade of ethanol that can be produced by simple distillation, without the further dehydration step necessary to produce anhydrous (or dry) ethanol. Hydrous ethanol (also sometimes known as azeotropic ethanol) typically ranges from 186 proof (93% ethanol, 7% water) to 192 proof (96% ethanol, 4% water). Hydrous ethanol is also call industrial grade ethanol. This kind of product can be used in the variety industrials such as paints, solvents, inks, detergents, pharmaceuticals etc.