Urea, GOST 2081-92 grade “B”, top sort of Russian/Ukrainian origin: - Total nitrogen, min. - 46,2 %- Total biuret, max. - 1,4 % - Humidity, max (drying method) - 0,5 % - Free flowing - 100 % - Treated with anti-caking agent, free from harmful substances, white to off-white color. - Granulometry: 1 – 4 mm , min - 94 %Quantity: Minimum 5,000 mt