The ISO 23321 standard specifies technical specifications and test methods for industrial de-saline water for paints and varnish solvents. The standard details the mass requirements of de-saline water, including conductivity, ph value and Miscellaneous key parameters to ensure its Stability and Reliability in Coating production. By specifying test methods, the standard provides a scientific basis for the production, testing and quality control of de-saline water in industrial applications. The standard is suitable for Coating manufacturers and related industries to ensure the purity of moisture in solvent formulations, improve product performance and conformity.