Manganese dioxide is an inorganic compound, a black amorphous powder, which is difficult to dissolve in water. It is used for the preparation of manganese salt, oxidant, rust remover and catalyst.
 
 
 
| Item | Index | 
| Component | Mno2 | 
| Content | 30%-75% | 
| Particle size | 80-325mesh | 
| Package | 50kg/bag | 
| Melting point | 535 ºC | 
| Density | 5.02 g/cm³ | 
| EINECS No. | 215-202-6 | MnO2 : | 20%- 7 5% | 
| CAS NO. | 1313-13-9 | Formula: | MnO 2 | 
| Fe | 1.0%-10% | P : | <0.3% | 
| Properties | black powder | SiO2 : | 4%-18% | 
| Relative Density | 5.026 | Al2O3 : | <5% | 
| Molecular Weight | 86.94 | Finess : | 100-400mesh | 
| Solubility | Insoluble in water and ni tric acid, soluble in ace+tone | ||
| MnO2 | Fe | SiO2 | S | P | H20 | Mesh | 
| 3 5 % | ≤15% | ≤22% | ≤0.5% | ≤0.5% | ≤8% | 100- 325 mesh | 
| 40% | ≤12% | ≤20% | ≤0.4% | ≤0.4% | ≤8% | 100- 325 mesh | 
| 50% | ≤10% | ≤18% | ≤0.4% | ≤0.4% | ≤7% | 100- 325 mesh | 
| 55% | ≤9% | ≤16% | ≤0.3% | ≤0.3% | ≤7% | 100- 325 mesh | 
| 60% | ≤8% | ≤12% | ≤0.3% | ≤0.3% | ≤6% | 100- 325 mesh | 
| 65% | ≤7% | ≤10% | ≤0.2% | ≤0.2% | ≤5% | 100- 325 mesh | 
| 70% | ≤6% | ≤10% | ≤0.2% | ≤0.2% | ≤5% | 100- 325 mesh | 
| 75% | ≤5% | ≤9% | ≤0.1% | ≤0.1% | ≤4% | 100- 325 mesh | 
| 80% | ≤3% | ≤8% | ≤0.1% | ≤0.1% | ≤3% | 100- 325 mesh | 
| 8 5 % | ≤ 2 % | ≤8% | ≤0.1% | ≤0.1% | ≤ 2.5 % | 100- 325 mesh | 
 
 
Hebei Jingbo New Material Technology Co., Ltd. was founded in 2007 , located in Shijiazhuang city which is the capital of Hebei Province and hub sector among Beijing Tianjin and Hebei and has advantage of convenient transportation . Our company is a modern high-tech chemical enterprise with Research & Development, production and sales.Our company has strong technical strength, advanced equipment, strict quality management system and high-quality after-sales service, adhers to the "customer first and forge ahead" business philosophy and insists on integrity as the company's survival.