Moisture: 9%max Purity: 99.5%min Admixture: 0.5%max Loading prot: Dalian,china Packing: in 25kgs paper bags or 12.5kgs X 2 vacuum sealed bags. in 25kgs per carton net. in 25kgs vacuum bags/pp bag outside. Docs required: Commercial invoice ,Packing list, Bill of lading,Certificate of origin, Phytosanitary certificate ,Healthe certificate,Inspection of quality certificate.