... fertilizer,dying, chemical, leather, the raw material of ammonium persulfate,adjuvant, glufosinate ,herbicides,etc.Package: Can be neutral packing ... Do not damage the packing bags.Technical specifications of Ammonium Sulphate( National Standard GB535-1995) ItemSupreme gradeFirst gradeQualified ... 0.005--Water insolubles,% ≤0.01--Note: When ammonium sulphate is used in agriculture,it is not necessary to ...