Appearance: granulated product in shades of pink to reddish with uniform particles Mass fraction of potassium in terms of K₂O, %: 60 ±1 Mass fraction of water, %, max: 0.5 Mass fraction of sodium (NaCl), %, max: 3 Mass fraction of insoluble matter in water, %, max: 0.2 GRANULOMETRIC COMPOSITION Mass fraction of particles from 1 to 4 mm in size, %, not less than: 95 PARTICLE SIZE DISTRIBUTION Mass fraction of particles less than 5 mm in size, %: 100 Friability, %: 100