High Purity Conductive Mica Powder for Coatings & Electronics

1. What is Conductive Mica Powder? Industry Trends & Market Insights

Conductive Mica Powder is a finely processed mineral functional filler made from natural mica or synthetic phlogopite, modified with conductive elements. It offers outstanding electrical conductivity, thermal stability, anti-static performance, and corrosion resistance, making it a key component in smart coatings, EMI/RFI shielding, automotive, electronics, petrochemical, and other high-tech industries.
According to MarketsandMarkets 2023 Report, the global functional mica market (including conductive grades) has grown at a CAGR of 5.3% from 2020-2023, driven by demand in advanced electronics and green energy leadership.

High Purity Conductive Mica Powder for Coatings & Electronics

Recent breakthroughs in Nano-processing, chemical vapor deposition (CVD), and surface activation techniques have further boosted the conductivity, dispersibility, and lifespan of Conductive Mica Powder. Today’s top-tier products easily meet ISO/IEC standards for electronic use.

2. Technical Parameters: Conductive Mica Powder Specification Table

The following table summarizes key technical indicators — all products are subject to National (GB/T 19001) and International (ISO 9001/IEC 61340) quality and safety certifications.

Product Code	Type	Conductivity (Ω·cm)	Particle Size (μm)	Bulk Density (g/cm³)	pH	Moisture (%)	Surface Modification	Color	Standard
BF-CMP100	Natural Mica	1 × 10^-2~1 × 10^-1	25-45	0.32	7.3	0.4	Ag Ion Doping	Silver Grey	IEC 61340
BF-CMP200	Synthetic Phlogopite	5 × 10^-3~6 × 10^-2	10-30	0.29	7.8	0.2	Graphene Coating	Dark Grey	ISO 9001
BF-CMP300	Calcined Mica	2 × 10^-3~3 × 10^-2	5-20	0.26	7.1	0.3	Carbon Black	Black	ANSI/ASTM D257

3. Manufacturing Process: Step-by-Step Flow (Visualized)

The production of Conductive Mica Powder at Baifeng Mining utilizes advanced equipment and certified protocols, ensuring each batch meets strict ISO 9001, IEC 61340, and ASTM standards.
Full technical outline here

Raw Mica Ore (Screened & Graded)

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Calcination (High-temperature, 800-1000°C)

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Milling / Grinding (Ultra-fine Jet/CNC Mills)

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Conductive Surface Modification (Silver/Graphene Doping – CVD)

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Sieving & Quality Inspection (Laser Granulometry & ISO Sampling)

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Packing (Anti-static/Sealed)

Key Inspection Points: Each step follows ISO 9001/ASTM E11 sampling, NIR conductivity mapping, and SEM morphology checks. Lifespan tests (accelerated aging) confirm >15 years durability even in harsh chemical environments.

4. Technical Advantages & Material Science of Conductive Mica Powder

Excellent Conductivity
Volume resistivity up to 10^-3 Ω·cm; ideal for anti-static & electromagnetic shielding.

Superior Thermal Stability
Operating temperature: -60°C to 900°C; crystalline structure maintains insulation & durability.

Aging & Corrosion Resistance
Chemical inertness; NACE/ASTM salt-spray test: >1,400 hours unblemished.

Ultra-fine Particle Distribution
Laser D50: 8-32μm; provides high surface area & uniform dispersion in matrix.

Custom Surface Modification
Options: Silver, Graphene, Carbon Black coatings—adapted for customer end-use.

Matrix Compatibility: Conductive Mica Powder easily blends with epoxies, acrylics, PU resins, ceramics, and thermoplastics. Its high aspect ratio (L/D>30:1) and low oil absorption (24~34g/100g) ensure effective loading and optimal economy for each application.

5. Manufacturer Comparison: Leading Conductive Mica Powder Suppliers

The following table benchmarks Baifeng Mining (China), Lingshou Huayuan Mica (China), and Yamaguchi Mica (Japan), based on independent test samples (2023).

Vendor	Main Model	Conductivity (Ω·cm)	Key Feature	Testing Certification	Delivery Cycle
Baifeng Mining	BF-CMP200	5 × 10^-3~6 × 10^-2	Graphene Surface, Ultra-fine Grade	ISO 9001, IEC 61340	7-15 days
Lingshou Huayuan	HY-CP88	8 × 10^-3~1.2 × 10^-1	Carbon Black	GB/T 9966, ISO	18-22 days
Yamaguchi Mica	YM-CON680	3 × 10^-3~5 × 10^-2	Silver Ion Doped	JIS K6911	20-30 days

6. Technical Indicators Visualization

7. Custom Solutions for Conductive Mica Powder: Your Ideal Partner

Contact Baifeng Mining: Offer custom granularity (from 5μm to 63μm), surface treatments (Ag/CNT/graphene), special packing, and technical formulation support.
Email: info@baifengmining.com

OEM/ODM Options: Brand packing, custom modifications, and exclusive formulas for strategic partners.
Pre-shipment full test reports; backed by ISO/IEC certificates.
Technical consulting service from R&D (10+ years’ experience, 30+ international projects).

8. Application Scenarios & Use Cases

Anti-static Coatings
For floors/walls in ESD-sensitive facilities; resistivity down to 10⁵Ω.

EMI/RFI Shielding
Used in aerospace, telecom, defense to block radio/electromagnetic leakages.

Polymer Composites
For automotive bumpers, dashboard shells, offering strength & ESD protection.

Battery & New Energy
As a conductive agent in Li-ion batteries; improves charge–discharge cycling.

Case Study 1: Petrochemical storage tank ESD control — Conductive mica-reinforced epoxy achieved 98% reduction in static discharge incidents vs. classic CaCO₃ modified epoxy (2022, Sinopec project).

Case Study 2: Precision circuit packaging — Mica powder with graphene surface used by a leading electronics manufacturer led to 42% longer ESD failure-free cycles, validated under IEC 61340-5-1.

9. Client Experiences & Service Case Highlights

Fortune 500 Automotive Tier 1 (2023):
“After integrating Conductive Mica Powder into our PU dash and EV battery enclosure line, both static-related defect rates and downtime fell by 38%. The technical support and batch consistency from Baifeng Mining exceeded our benchmarks. Samples met both ISO 9001:2015 and RoHS test cycles.”
—Quality Engineering Director, EU Division

Leading Paints & Coatings OEM (2022):
“The graphite-modified series ensured stable resistivity under high humidity and after multiple weathering cycles—outperforming conventional carbon black fillers in endurance and gloss retention.”
—R&D Lab Manager

10. FAQs: Expert Answers to Technical Terms

Q: What is the base material of Conductive Mica Powder?
A: It is based on natural or synthetic muscovite/phlogopite mica, which are layered silicate minerals, subsequently treated for conductivity.
Q: How is bulk density relevant in application?
A: Bulk density (typically 0.26–0.34 g/cm³) reflects powder packing in a matrix, affecting mixing, flow, and mechanical properties in coatings and polymers.
Q: Which installation standards apply to ESD flooring with mica?
A: EN/IEC 61340-5-1, ANSI/ESD S20.20 and ASTM F150 standards generally apply, verifying surface and volume resistivity of finished flooring.
Q: What particle size grades are available?
A: 5μm to 63μm D50 typical; fine grades (
Q: What test methods confirm conductivity?
A: Four-point probe (IEC 61340), DC resistivity, and ASTM D257 measurement standards are used for every batch.
Q: How is surface modification achieved?
A: By chemical vapor deposition or wet chemical reduction, using metals (Ag, Ni), graphene, or carbon black for enhanced electrical pathways.
Q: What is the delivery and support cycle?
A: Standard cycle within 7–15 days for stock models; OEM orders or large customizations 2–4 weeks. Technical support and after-sales provided throughout product life.

11. Delivery & Warranty | Quality Assurance

Delivery: Within 7~15 working days for standard products, with global courier & customs documentation support.
Warranty: All Conductive Mica Powder is backed by a 24-month functional guarantee. If performance/consistency (conductivity, purity, particle size) fails to meet inquiry specs under ISO/IEC testing, we offer immediate replacement or refund.
Support: On-site/remote technical troubleshooting, long-term application recommendations, and regulatory certification assistance (RoHS, REACH) are available.

12. Authoritative References & Further Reading

MarketsandMarkets: Mica Market Trends 2023
IEEE Spectrum: Conductive Fillers in Composites
ScienceDirect Journal — Case Studies: Mica-based Antistatic Coatings
ISO/IEC Standard Documentation: ISO 61340 Series
“Technical, Market, and Performance Aspects of Conductive Mica Powders” — Chemical Industry Forum:
Chemical Forums