Glass & Ceramic Grade Manganese Dioxide | 90–99% MnO₂ Supplier
Short Product Description
Glass & Ceramic Grade Manganese Dioxide (MnO₂), 90–99% purity, designed for glass decolorizing, ceramic glazes, enamel, frits, and pigment applications. Suitable for optical glass, architectural glass, porcelain glazes, and artisan glass blowing studios, offering stable oxidation performance and consistent color control.
Technical Specifications
| Parameter | Typical Range | Unit | Notes |
|---|---|---|---|
| MnO₂ Content | 90 – 99 | % | Glass & ceramic grades available |
| Mn Content | 58 – 63 | % | Depending on purity grade |
| Particle Size (D50) | 3 – 25 | μm | Adjustable per application |
| Moisture | ≤0.5 | % | Low moisture for stable batching |
| Fe₂O₃ | ≤0.3 | % | Controlled for optical glass |
| Insoluble Residue | ≤0.5 | % | Ensures melt consistency |
| Crystal Type | Natural / Activated | – | Pyrolusite or processed grade |
Key Features
Controlled oxidation performance for Glass & Ceramic Grade Manganese Dioxide applications.
Fine particle size for uniform dispersion in glass melts and ceramic bodies.
Stable color development under high-temperature firing conditions.
Low impurity levels suitable for optical and architectural glass.
Consistent batch-to-batch quality for industrial and studio production.
Available in natural pyrolusite and high-purity processed grades.
Applications
Glass Decolorizing Agent – Offsets iron-induced green tint in soda-lime glass production.
Neutralizing Green Tints in Glass – Improves clarity in container and flat glass manufacturing.
Optical Glass Manufacturing – High purity MnO₂ for controlled light transmission and minimal impurities.
Heat-Absorbing Architectural Glass – Regulates solar absorption and color tone stability.
Dark Brown & Black Ceramic Glazes – Produces deep, stable glaze coloration during firing.
High-Temperature Porcelain Glazes – Maintains color integrity in high firing ranges.
Enamel and Frits Industry (90% Grade) – Provides oxidation control and consistent pigment interaction.
Ceramic Body Stains and Pigments – Enhances brown/black pigment formulation stability.
Clay Brick Coloring (Natural Pyrolusite Powder) – Cost-effective mineral coloring agent.
Artisan Glass Blowing Studios – Concentrated MnO₂ for small-batch glass coloration.
Packaging & Supply
25 kg woven bags with inner liner
500 kg / 1000 kg jumbo bags
Custom small packaging for studio and specialty users
Suitable for sea freight, air freight, and export palletization
Customization & Technical Support
Purity level adjustable from 90% to 99% depending on glass or ceramic requirement
Particle size tailored for glaze, frit, optical, or brick applications
Technical guidance on dosage, oxidation balance, and color control
Sample testing support for industrial and studio-scale production