Specification item\Grade	First grade	Second grade
Purity min. %	99.0	98.0
Moisture max %	0.5	1.0
Ash content max %	0.2	0.5
Melting point min.	175	170

  Packing: In 25kg polypropylene plastic woven bags with inner polyethylene plastic bags.

  Using: It is synthesized sulfathiazole, methionine and other drugs. The material of dyestuff, coloring agent, resin and compressor powder. And as vulcanization promoter of rubber, flotation agent of metal minerals, catalyzer of phthalic anhydride and fumarate and rust eaten agent of metal. In the field of photo material, it's as developer and mix colors agent, and also using in electroplating industry.

  Formula: MnO₂

  Molecular Weight: 86.94

  Packing: In PP woven bags with inner PE bags of 25kgs net each.

  Use: Main raw material for producing zinc-manganese dioxide, alkaline-manganese dioxide and lithium-manganese dioxide batteries, oxidizer for producing FFB fabric in printing & dyeing industry, as well as magnetic produce.

  Quality Standard:

Item	Superior grade (%)	Standard grade (%)
MnO2	()91.0	()90.0
H2O	()2.0	()3.0
Fe	()0.020	()0.03
Co	()0.0010	-
Ni	()0.0005	-
Cu	()0.0010	()0.0010
Pb	()0.0010	()0.0050
PH	57	57
SO42-	()0.7	())0.7
NH4+	()0.0050	()0.0050
Tapped density	1.6g/cc	1.6g/cc
Grain size + 100mesh	()0.50	()0.50
Grain size - 200mesh	()85.0	()85.0

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