Leading the future of non-metallic mineral manufacturing with high-purity muscovite mica, delivering exceptional thermal stability and electrical insulation for global industries.
As a global leader in the non-metallic mineral sector, our production of muscovite mica defines the industry standard for dielectric strength and thermal resilience. By integrating advanced mineral processing with sustainable extraction, we provide materials that withstand the most extreme industrial environments.
Our technical edge lies in the ultra-fine micronization and precision purification of muscovite mica. This ensures an unmatched consistency in particle size distribution, allowing our clients to achieve superior integration in high-voltage insulation and precision ceramics.
Our production philosophy is built upon three core technical foundations that ensure unrivaled material quality.
Quantitative data demonstrating our market leadership in purity and industrial application efficiency.
Standard specifications for high-purity
muscovite mica powder and flakes
| Grade A | Grade B | Grade C | Unit | Test Method | |
|---|---|---|---|---|---|
| Chemical Purity (K2O·Al2O3·2-5Si2O5) | ≥ 99.5% | ≥ 98.0% | ≥ 95.0% | % | XRF Analysis |
| Fe2O3 Content | ≤ 0.05% | ≤ 0.1% | ≤ 0.5% | % | ICP-OES |
| Average Particle Size (D50) | 15μm | 45μm | 100μm | μm | Laser Diffraction |
| Dielectric Strength | ≥ 120 kV/mm | ≥ 100 kV/mm | ≥ 80 kV/mm | kV/mm | ASTM D149 |
| Moisture Content | ≤ 0.2% | ≤ 0.5% | ≤ 1.0% | % | Thermogravimetric |
| Thermal Expansion (CTE) | ≤ 8.5 x 10⁻⁶ | ≤ 9.0 x 10⁻⁶ | ≤ 10.0 x 10⁻⁶ | K⁻¹ | Dilatometry |
| Melting Point | ≥ 850°C | ≥ 820°C | ≥ 800°C | °C | Differential Thermal |
| Specific Gravity | 2.82 - 2.86 | 2.80 - 2.85 | 2.78 - 2.84 | g/cm³ | Pycnometry |
Note: All properties are measured based on standard room temperature (25°C). We provide customized particle size distributions upon request to meet specific application requirements.
Real-world success stories where our muscovite mica enhanced product efficiency and safety.
Implemented ultra-fine mica powder to reduce partial discharge in high-voltage windings.
Integrated high-purity mica flakes for superior light reflection and skin compatibility.
Used mica-reinforced composites to create thermal barriers for industrial furnaces.
Provided custom mica sheets for battery cell separation to prevent thermal runaway.
Supplied high-dielectric mica tapes for avionics cable insulation in extreme environments.
Developed specialized mica powder to improve the anti-corrosion properties of marine paints.
Our muscovite mica serves as a critical raw material across diverse high-tech sectors.
High-voltage capacitors and transformer insulating plates.
Pearlescent effects for high-end eyeshadows and nail polishes.
Thermal shock resistance additive for technical ceramics.
Anti-corrosive barrier filler for industrial marine paints.
High-temperature insulating tapes for aircraft wiring.
Dielectric layers for solar panel components and wind turbines.
Every batch undergoes XRF and ICP analysis to ensure metallic impurities are kept well below critical thresholds.
We utilize Scanning Electron Microscopy (SEM) to validate flake aspect ratios and particle uniformity.
Our processing plants operate under zero-waste mineral extraction protocols, ensuring sustainable sourcing of raw mica.
Certified by global regulatory bodies for mineral purity and environmental safety standards.
Expert answers to common technical and commercial inquiries regarding muscovite mica.
Join hundreds of global partners who trust our precision-engineered minerals to drive their technical innovation.