1.no caking and low moisture 2.low heavy metal 3.N:20.5%,S:23 Ammonium sulphate 20.5% granular Appearance:white granular, 3-5mm,N: 20.5%min, Moisture: 1.5%maxPacking:50kgs plastic woven bag,25MTs/20'FCL Applicant:1 fertilizer(NPK raw material)2 dying,leather,3 the raw material of ammonium persulfate , 4 adjuvant for 2,4-D (amine), glyphosate, and glufosinate herbicides.5 in chemcial industry