Sodium Sulphate Anhydrous( viscose byproduct) -99% min. 1. Product property: sodium sulphate anhydrous is also called glauber’ s salt. It is white and odorless crystal or powder, with hydroscopic property. 2. Technical specifications: STANDARD: GB/ T6009-2003 NaSO4: 99% min 3. Application: it could be used to produce sodium sulfide and sodium silicate, etc; and it could be also used in paper making, glass, printing and dyeing, synthetic fiber, tanning and other industries. 4. Packing: 50kg bag