1,ammonium sulfate:N 20.5%MIN WATER 1%MAX 2, ... light grey granule/powder 3,Usage: for agriculture use Ammonium Sulfate: 1) Experienced exporter 2) usage:for agriculture use 3) ... 132.14Properties : Colorless crystalline or white particlesStandard : GB535-1995usage Ammonium sulfate is mainly used as fertilizer, applicable to all kinds of ... fresh in one year under common conditions. Ammonium Sulfate