Appearance, color: white or slightly colored granules GRANULOMETRIC COMPOSITION Mass fraction of granules less than 1 mm in size,%, max: 0,5% Mass fraction of granules from 2 to 5 mm in size,%, not less: 95% Mass fraction of nitrogen in terms of dry matter,%, not less: 46,2% Mass fraction of biuret,%, not more than: 1.4% Mass fraction of water,%, not more than: 0.5% Static strength of pellets, kgf/pellet, not less than: 2