Product Overview
Graphite powder is a fine powder material processed by crushing and purifying natural or synthetic graphite. It features:
High electrical/thermal conductivity
Extreme heat resistance (up to 3000°C)
Strong chemical stability
Excellent lubricating properties
Product Categories & Specifications
|
Type |
Carbon Content |
Particle Size |
Key Characteristics |
|
Natural Graphite Powder |
90-99% |
1μm-500μm |
Cost-effective, superior lubrication |
|
Synthetic Graphite Powder |
99%+ |
0.5μm-100μm |
High purity, enhanced conductivity |
|
Expanded Graphite Powder |
98%+ |
50μm-1mm |
Porous structure, high adsorption |
|
Nano Graphite Powder |
99.9%+ |
10-100nm |
Large surface area, high reactivity |
Key Performance Indicators
Fixed Carbon Content: ≥99% (for high-end applications)
Ash Content: ≤0.5% (battery-grade requirement)
Volatile Matter: ≤1% (high-temperature uses)
Moisture Content: ≤0.2% (precision applications)
Particle Size Distribution: Customizable D50
Application Fields
① Industrial Manufacturing
Lubricant Additive: Enhances high-temperature lubrication (e.g., bearings, gears)
Mold Release Agent: Prevents adhesion in casting molds
Conductive Filler: Used for anti-static modification of plastics/rubber
② New Energy
Lithium Battery Anodes: Synthetic graphite powder (purity ≥99.95%)
Fuel Cell Bipolar Plate Coatings: Improves conductivity
③ High-Temperature Materials
Refractory Additive: Boosts oxidation resistance in magnesia-carbon bricks
Crucible Coatings: Extends service life
④ Other Fields
Pencil Lead Material: Mixed with clay
3D Printing Material: Used in conductive composites
Usage Precautions
Moisture Protection: Prevents clumping and ensures dispersibility
Safety Measures: Explosion-proof handling for nano-sized dust
Mixing Process: Gradual stirring recommended for uniform dispersion