Sodium sulfate anhydrous is widely used in the detergent industry as a filler in powdered laundry detergents, helping to improve their texture and flow properties. It is also employed in the manufacture of paper, where it acts as a pulping agent in the Kraft process, aiding in the breakdown of wood chips into pulp. In the textile industry, it serves as a levelling agent in dyeing processes, ensuring even color distribution on fabrics. Additionally, it is utilized in the production of glass, where it helps remove air bubbles and improve the clarity of the final product. In chemical laboratories, it is commonly used as a drying agent to remove water from organic solvents. Its applications extend to the food industry, where it is used as a processing aid in certain food products.