Sodium sulfate anhydrous is widely used in the detergent and cleaning product industry as a filler in powdered laundry detergents, helping to improve their texture and flow properties. It is also employed in the manufacturing of glass, where it acts as a fining agent to remove small air bubbles from molten glass. In the textile industry, it serves as a leveling agent in dyeing processes, ensuring even color distribution. Additionally, it is utilized in the paper and pulp industry as a processing aid to enhance the efficiency of chemical pulping. In laboratories, it is commonly used as a drying agent to remove water from organic solvents. Its versatility extends to the food industry, where it is used as a processing aid in certain food products.