Appearance: fine crystalline or powdered product, white to light bluish in color Mass fraction of potassium in terms of K₂O, %: 50 ±1 Mass fraction of sulphur (as SO₃), %: 45 ±1 Mass fraction of water, %, max: 0.5 Chloride content, %, max: 1.5 GRANULOMETRIC COMPOSITION Mass fraction of particles less than 1 mm in size, %, not less than: 90 Friability, %: 100 Note: Chloride-free potassium fertilizer ideal for chloride-sensitive crops such as tobacco, fruits, and vegetables. Enhances quality and yield while supplying both potassium and sulfur.