This specification covers requirements for salt for the regeneration of water softening units. The materials shall be clean, free of extraneous matter and suitable for the intended purposes. It shall be free from hard caking in the container.
Sodium Chloride96% to 99%96% to 99%96% to 99%
Insolubles1.8%1.8%1.8%
Bulk Density64 lb./cu.ft.67 lb./cu.ft.68 lb./cu.ft.
96% or 97% on4 Mesh Screen12 Mesh Screen20 Mesh Screen