Item Specification Appearance White Crystalline,granular, no visible mechanical impurity Nitrogen 21% min Moisture 0.3% max Water insoluble 0.01% max Fress Acid(H2SO4) 0.05 max Heary Metal(Pb) 0.005 max Ammonium Sulphate also named ammonium sulfate is a kind of widely used nitrogen fertilizer in agricultural. the chemical formula is (NH4) 2 SO4 and you can talk directly whatspp8614707090699 Granular Ammonium Sulphate is compressed the by ammonium sulphate powder with higher stability which is more suitable for agricultural use. 1 Ammonium Sulphate Compacted Granular 2-4mm and 5-7mm 2. Ammonium Sulphate Steel Grade Crystal or powder 3. Ammonium Sulphate Caprolactam Grade 0.2-2mm more details please whatsapp8614707090699