High Purity Manganese Tetroxide Reddish Brown
High purity manganese tetroxide
Manganese tetroxide is a brown-red tetroxide crystal, which is an important raw material for the preparation of soft magnetic materials such as manganese zinc ferrite, and can also be used in the manufacture of paint, optical glass, thermistor, etc., with a capacity of more than 20000 tons/year.
Product introduction
Molecular formula: Mn3O4 Molecular weight: 228.81
Appearance: reddish brown, brown or brownish yellow powder. Stable at room temperature, insoluble in water, soluble in hydrochloric acid, nitric acid, etc.
Packing: according to standard GB/T21836-2008, or according to customer's requirement to determine the packing specifications (net weight of each bag 25kg, 1000kg).
Inspection: according to the standard GB/T21836-2008 "Manganese tetroxide for Soft Ferrite".
Transportation and storage: according to the standard GB/T21836-2008 "Manganese tetroxide for soft ferrite".
Application: soft ferrite, magnetic core, magnetic disk and magnetic tape, telephone transformer and commercial inductor, TV regression transformer, magnetic head, inductor, magnetic amplifier, saturation inductor, antenna rods, etc. Used for optical glass manufacturing and low temperature thermistor manufacturing; Used in paint and coatings industry.
Chemical composition of manganese tetroxide
|
Iterm (Quality fraction %) |
|
|||||
| 06A | 06B | 15A | 15B | Low iron high table |
|
|
| Mn ≥ | 71.0 | 71.0 | 70.0 | 70.0 | 71.0 | 71.0 |
| SiO 2 ≤ | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| CaO ≤ | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| MgO ≤ | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Na 2 O ≤ | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 |
| K 2 O ≤ | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 |
| Fe 2 O 3 ≤ | 0.70 | 0.70 | 0.70 | 0.70 | 0.05 | 0.05 |
| S ≤ | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
| Se ≤ | 0.002 | 0.002 | ||||
| H 2 O ≤ | 0.5 | 0.5 | 1.0 | 1.0 | 0.5 | 0.5 |
| specific surface area(m 2 /g) | 4~7 | 4~7 | 12~17 | 12~17 | 8~15 | 4~8 |
| apparent density(cm 3 /g) | 0.6-0.8 | 0.6-0.8 | 0.6-0.8 | 0.6-0.8 | 0.6-0.8 | 0.6-0.8 |
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