1. What is Metal Graphite Material?
Metal graphite material is a composite engineered by blending graphite with metals such as copper or silver, creating a high-performance
carbon brush material manufacturer in china
solution for electrical applications. This material balances graphite’s natural self-lubricating properties with the enhanced conductivity and durability provided by metal additives512. Widely used in carbon brushes, it ensures efficient power transmission in motors and generators by bridging stationary and rotating components5.
2. Key Applications & Performance Advantages
Applications:
-
-
Low-voltage DC generators and AC asynchronous motor slip rings
-
-
Wind turbine generators, automotive starters, and synchronous machine excitation systems512.
-
Critical in industries like steel processing, mining, and renewable energy12.
Performance Highlights:
-
High Conductivity: Metal additives (e.g., copper) boost electrical conductivity, ideal for high-current, low-voltage operations512.
-
Self-Lubrication: Graphite reduces friction, minimizing wear and heat generation512.
-
Durability: Enhanced mechanical strength withstands high-load cycles and harsh environments12.
-
Low Voltage Drop: Ensures efficient power transfer with minimal energy loss5.
3. Types, Specifications, and Pricing
Material Grades & Technical Data
Below are key metal graphite grades and their properties (based on industry standards):
| Grade | Resistivity (μΩ·m) | Hardness (HR10/) | Voltage Drop (V) | Applications |
|---|---|---|---|---|
| J102 | 0.115–0.345 | 47–99 | 0.30–0.70 | Low-voltage DC generators, AC slip rings |
| J105 | 0.03–0.09 | 59–105 | ≤0.40 | Electrical contacts |
| H5 | 1.0–4.5 | 65–95 | 0.72–1.68 | Wind turbine slip rings |
| J213 | 0.22–0.88 | 67–104 | 0.39–1.02 | Automotive starters |
Performance Metrics:
-
Current Density: Up to 25 A/cm²
-
Operating Speed: 20–35 m/s
carbon brush blocks manufacturer in china
-
Pressure Range: 14.7–24.5 kPa5.
Dimensions:
-
Standard sizes: (21–41) × 108 × 126 mm, (21–41) × 68 × 148 mm (customizable)5.
Pricing Factors:
-
Varies by grade, purity, and market demand. Natural graphite composites range 1,800–3,800/ton, while synthetic/metal-blended variants cost higher10.
4. Why Choose Metal Graphite Brushes?
-
Superior Efficiency: Ideal for EV batteries and industrial motors due to low resistance and high thermal stability1012.
-
Cost-Effective Maintenance: Longevity reduces replacement frequency, lowering operational costs12.
-
Adaptability: Customizable compositions for specialized applications (e.g., aerospace, automotive)5.
5. Industry Trends & Future Outlook
With the EV sector driving demand for lithium-ion batteries, metal graphite is poised for growth. Benchmark Mineral Intelligence forecasts 1 million tonnes of annual graphite demand by 2025, emphasizing the need for high-performance materials10. Innovations like photocatalytic graphitization further enhance purity and scalability7.
6. Partner with Trusted Suppliers
At CFCCarbon, we specialize in advanced carbon brush materials tailored to industrial needs. Our metal graphite composites meet ISO 9001 standards, ensuring reliability across sectors like renewable energy and heavy machinery12.
Explore Our Products:
-
Custom Sizing: From 20×32×60 mm to 41×148 mm.
-
Global Delivery: Serving steel, mining, and wind power industries worldwide.
For detailed technical sheets, visit CFCCarbon’s Carbon Brush Materials.
Reliable quality, innovative solutions, and global expertise—partner with CFCCarbon for unmatched performance in electrical engineering.
related news /articles:
Carbon brush materials
The importance of choosing an electric brush
Application of graphite products in industrial production
New modernization technology— Carbon brush material