Water softener salt (also known as ion exchange resin regenerant) consists primarily of sodium chloride (NaCl) and is used to regenerate cation exchange resins in water softening systems. Key performance specifications include:
NaCl content ≥99.5% (dry basis)
Water insoluble matter ≤0.05%
Total calcium and magnesium ions ≤0.01%
Iron content ≤10 ppm
Particle size: tablet or pellet form, diameter 5–10 mm, thickness 3–5 mm (tablet form applicable)
Compared to conventional industrial salt, water softener salt is distinguished by its higher purity, tighter impurity control, and predictable dissolution rate. Excessive calcium and magnesium content reduces resin exchange capacity, while high iron content may lead to resin oxidation degradation. Water insoluble matter exceeding 0.1% tends to accumulate at the bottom of brine tanks, potentially clogging brine valves or ejectors.
Recommended usage: Prepare a saturated brine solution (approximately 26–28% concentration at 20°C). Regeneration frequency depends on water hardness and equipment specifications, typically once every 3–5 tons of water treated. For storage, moisture protection is essential. Use 25kg bags with PE inner liners and store on elevated pallets away from direct concrete floor contact.
Market observations indicate stable demand for high-purity water softener salt in residential and commercial softening systems. Customer attention is focused on quantifiable performance indicators including low residue after dissolution, predictable regeneration efficiency, and low risk of salt bridging.
