Manganese Dioxide 90% for Enamel and Frits Industry
Short Product Description
Manganese Dioxide 90% for Enamel and Frits Industry is a technical-grade MnO₂ powder with ≥90% assay, engineered for consistent coloring and oxidation performance in industrial enamel and frit formulations. It delivers reliable pigment strength and firing behavior for ceramic and glass enamel systems.
Technical Specifications
| Property | Typical Range |
|---|---|
| Assay (MnO₂) | 90–92% |
| Moisture (by loss on drying) | ≤2.0% |
| Fe₂O₃ (Iron Oxide) | ≤0.15% |
| SiO₂ (Silica) | ≤0.50% |
| CaO + MgO | ≤0.30% |
| Bulk Density | 0.60–0.90 g/cm³ |
| Particle Size D50 | 5–15 µm |
| pH (10% slurry) | 6.5–8.0 |
Key Features
High Purity MnO₂ (90%+) — ensures stable oxidation and color control in enamel and frits production.
Consistent Particle Size Distribution — improves dispersion and homogeneity in glass and ceramic melts.
Low Iron and Impurity Levels — minimizes unwanted discoloration and defects in finished enamel surfaces.
Controlled Moisture Content — facilitates predictable batching and reduces variability during frit melting.
Thermal Stability for Frit/Enamel Firing — withstands high furnace temperatures with consistent behavior.
Good Flowability — supports automated dosing and mixing in industrial processing.
Applications
Enamel Colorant — suitable for pigmentation and oxidizing functions in ceramic and metal enamels.
Frit Formulations — acts as an oxidizing component in frits for glass and enamel coatings.
Glaze Manufacturing — used in glazes requiring controlled manganese coloration and finish.
Industrial Ceramics — supports color and surface property control in technical ceramic bodies.
Packaging & Supply
Manganese Dioxide 90% for Enamel and Frits Industry is supplied in moisture-resistant kraft bags with inner liners to preserve quality. Standard packaging options include 20 kg, 25 kg, and 50 kg bags, as well as jumbo bags for high-volume requirements. All packaging is suitable for export and handling in bulk logistics, with export documentation available.
Customization & Technical Support
We offer grade customization to adjust assay levels, particle size distributions, and impurity profiles to match specific enamel and frits formulations. Technical support is available to assist with integration into production processes, including test batching, material safety data, and performance optimization guidance.