... grey granule/powder 3,Usage: for agriculture use Ammonium Sulfate: 1) Experienced exporter 2) usage:for agriculture use ... crystalline or white particlesStandard : GB535-1995usage Ammonium sulfate is mainly used as fertilizer, applicable to all kinds of soil and ... slowly when exposd to moist air. 2) Uses: Used as food fermentation, detergent ingredient, carbondoxide foamer, pharmacy, leather, ...