Appearance: fine powdered product from light gray to beige with slight pink or violet shades Mass fraction of total nitrogen (NOx), %: 6 ±1 Mass fraction of total phosphates in terms of P₂O₅, %: 20 ±1 Mass fraction of sulphated sulphur in terms of S, %: 14 ±1 Mass fraction of water, %, max: 1.5 GRANULOMETRIC COMPOSITION Mass fraction of particles less than 2 mm in size, %, not less than: 90 Friability, %: 100 Note: Used as a phosphorus-sulfur fertilizer for a wide range of crops, especially in sulfur-deficient soils.