Manganese Dioxide for Dark Brown and Black Ceramic Glazes
Short Product Description
Manganese Dioxide for Dark Brown and Black Ceramic Glazes is a high-purity MnO₂ pigment grade material designed for ceramic glaze coloration and tone adjustment. With controlled MnO₂ content and fine particle size distribution, it ensures stable firing behavior and consistent dark brown to black glaze finishes. Suitable for oxidation and reduction kiln atmospheres.
Technical Specifications
| Parameter | Typical Range |
|---|---|
| MnO₂ Content (%) | 85.0 – 92.0 |
| Mn Content (%) | 54.0 – 60.0 |
| Fe₂O₃ (%) | ≤ 2.5 |
| Moisture (%) | ≤ 1.0 |
| Particle Size (D50) | 5 – 15 μm |
| Residue on 325 Mesh (%) | ≤ 0.5 |
| Bulk Density (g/cm³) | 0.8 – 1.1 |
| Loss on Ignition (%) | 5.0 – 10.0 |
Key Features
Stable coloring performance for dark brown and black glaze systems
Fine particle size ensures uniform dispersion in glaze slurry
Low impurity levels minimize pinholes and firing defects
Consistent MnO₂ content for repeatable kiln results
Suitable Manganese Dioxide for Dark Brown and Black Ceramic Glazes with both oxidation and reduction firing
Applications
Ceramic tile glazes – Provides stable dark brown to black surface coloration
Sanitary ware glazes – Improves depth and uniformity of dark glaze finishes
Tableware ceramics – Produces matte or glossy black tones depending on formulation
Artistic pottery glazes – Ideal Manganese Dioxide for Dark Brown and Black Ceramic Glazes requiring high color intensity
Packaging & Supply
25 kg kraft paper bags with inner PE liner
500 kg and 1000 kg jumbo bags available
Suitable for sea freight export and long-distance transportation
Stable supply capacity for bulk industrial orders
Customization & Technical Support
Particle size, MnO₂ content, and impurity control can be adjusted according to glaze formulation requirements. Technical support is available for glaze compatibility testing, firing temperature optimization, and application guidance for industrial ceramic production lines.