Electronic Grade MnO for High-Frequency Magnetic Cores
Short Product Description
Electronic grade manganese monoxide (MnO) is a high-purity raw material used in the production of Mn-Zn and Ni-Zn ferrites for high-frequency magnetic cores. With controlled impurity levels and stable manganese content, it supports consistent magnetic and electrical performance in electronic components.

Technical Specifications
| Parameter | Typical Value |
|---|---|
| MnO Purity | ≥ 99% |
| Manganese (Mn) Content | ≥ 77% |
| Particle Size | 1–5 μm (D50) |
| Moisture | ≤ 0.5% |
| Bulk Density | 0.8–1.2 g/cm³ |
| Fe Content | ≤ 0.05% |
| SiO₂ | ≤ 0.03% |
| CaO | ≤ 0.02% |
Key Features
High MnO purity ensures stable magnetic properties in ferrite cores
Low impurity levels (Fe, Si, Ca) reduce magnetic loss and improve performance
Fine and uniform particle size supports efficient sintering and densification
Excellent chemical stability for consistent batch-to-batch quality
Optimized for electronic grade MnO used in high-frequency magnetic cores
Applications
Mn-Zn ferrite cores – MnO acts as a key raw material to control permeability and core loss in transformers and inductors
Ni-Zn ferrite materials – supports high resistivity and performance in high-frequency circuits
Power electronics components – used in inductors, EMI suppression cores, and switching power supplies
Telecommunications equipment – ensures stable signal transmission through optimized ferrite properties
Electronic grade MnO for high-frequency magnetic cores – designed for precision ceramic processing and magnetic optimization
Problems This Product Solves
Impurity interference in ferrite materials → low Fe and Si content minimizes magnetic loss and improves core efficiency
Inconsistent magnetic performance → stable Mn content ensures reproducible ferrite characteristics
Poor sintering behavior → controlled particle size distribution improves densification and microstructure uniformity
Electrical losses at high frequency → optimized composition reduces eddy current and hysteresis losses
Packaging & Supply
25 kg kraft paper bags with inner PE liner
Palletized packaging for export shipments
Available in full container load (FCL) and bulk supply
Samples available for ferrite formulation and testing
Customization & Technical Support
Adjustable particle size distribution for specific sintering processes
Impurity level control based on ferrite grade requirements
Bulk supply for ferrite manufacturers and electronic material producers
Technical support for ferrite formulation and process optimization
FAQ
Q1: Why is MnO purity critical for high-frequency magnetic cores?
High purity MnO reduces unwanted impurities that can increase magnetic losses. This ensures stable permeability and low core loss in ferrite applications.
Q2: What particle size is suitable for ferrite production?
A fine particle size (typically 1–5 μm) improves sintering behavior and microstructure uniformity. This directly impacts the density and magnetic performance of the final core.
Q3: How does electronic grade MnO for high-frequency magnetic cores differ from industrial grade MnO?
Electronic grade MnO has significantly lower impurity levels and tighter particle size control. This is essential for maintaining consistent electrical and magnetic properties.
Q4: Can this MnO be used for both Mn-Zn and Ni-Zn ferrites?
Yes, it is suitable for both systems. Adjustments in formulation may be required depending on the target frequency and application.
Q5: What are the recommended storage conditions?
Store in a dry, sealed environment to prevent moisture absorption. Avoid contamination to maintain purity and performance.