1. nitrogen:20%min 2.moisture:0.5%max appearance: yellow crystal Ammonium SulfateAmmonium Sulphate, crystal fertilizerAgricultural Products, Agricultural Fertilizer ... :Granular Urea, Prilled Urea, TSP, DAP, MAP, Ammonium sulfate, Ammonium chloride NPK, FMP, etc. About US:Experience : Specializing ... more details. Looking forward to cooperate with you in the near future. Thank you ammonium sulphate 21