Specifications BCS:  1,green powder  2,Free sample  3,ISO, SGS, COA  4,In leather industry                                     1.Characters: Molecular Formula: Cr(OH)SO4 CAS No.: 39380-78-4 Packing: 25kg/pp bag Property: Basic chromium sulphate is available in bright green powder with high tanning properties. The product is dried with most sophisticated steam drum drier which does not allow material to be overheated.  It is not toxic and has better solubility.   2.Specifications:  Item Standard Cr2O3 24%--26% min Basicity 32%--34% max Fe 0.1% max Water insoluble 0.1% max   3.Usages: it is used in leather industry, mainly for chrome tanning process of leather manufacture.   4.Packing:  25kg/pp bag, 20 MT/20'FCL    5.Service:  1). MOQ,we can accept.  2). Quality control, before shipment, free sample for test.   3). Prompt shipment with professional documents.  4). Packing as your request, with photo before shipment.