Dear sir/madam:
       We are a manufacturer of Manganese Dioxide in China.

The specifications are as follows:

MnO2 %: 65% min
Fe %: 4% max
H2O %: 5% max
Fineness (200mesh) %: 90% pass
Packaging: 25kg woven bag with plastic liner
     
You can contact me if you want to order this product. 
 Looking forward to your earliest reply!

Best regards!
Philip jiang/ sales manager
Yixing Yaoguang Chemical industry co., ltd
Tel: 86-510-87997056
Fax: 86-510-87996088
Email: xxxxx