Expandable graphiteHigh quality
Price range: $20.83 through $166.67
Intercalated black powder with >350x expansion ratio. 92-95% carbon, ~300 μm particle size. Expands rapidly at 200-980°C to form porous vermicular structure. Ideal for seals, flame retardants, batteries, and thermal management.
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Key features: High expandability, thermal/chemical stability, low expansion temperature
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Applications: Gaskets, fire protection, energy storage, insulation, filtration
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Custom expansion ratios and technical support available
Email: Sales@maxnanotech.com
Important Notes
- No Refunds or Exchanges: All sales are final. MAXNANO does not provide return, exchange, or refund services under any circumstances.
- Customs and Import Obligations: Clearance procedures, import duties, taxes, and related costs are solely the responsibility of the recipient/importer. MAXNANO shall not be held liable for delays, rejections, or any additional expenses incurred during customs processes. Such issues shall not constitute grounds for order cancellation or refund.
- Order Cancellation: Orders cannot be revoked once submitted. No refunds will be issued for cancelled or undelivered orders.
- Indemnification: The purchaser agrees to bear all claims, losses, legal liabilities, and expenses arising from the use of products and services, and shall hold MAXNANO, its affiliates, and personnel harmless from such obligations.
- Terms and Conditions: All orders and business interactions are subject to MAXNANO’s standard Terms and Agreements.
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Product Overview
We produce high-quality expandable graphite through advanced chemical intercalation of natural flake graphite. Our specialized process creates graphite intercalation compounds that expand dramatically when heated, forming an excellent worm-like structure with exceptional thermal and chemical properties for various industrial applications.
Specifications
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Form: Black intercalated powder
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Expansion Ratio: >350 times
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Carbon Content: 92-95 wt%
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Particle Size: ~300 μm (50 mesh)
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Expansion Temperature: 200°C initial expansion
Expansion Characteristics
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Rapid expansion at 950-980°C within 20 seconds
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Forms vermiform (worm-like) expanded structure
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Creates porous, low-density expanded material
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Excellent expansion consistency batch-to-batch
Key Features
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High Expandability: Superior expansion ratio exceeding 350x
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Chemical Stability: Resistant to most chemical corrosion
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Thermal Resistance: Maintains performance at high temperatures
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Low Expansion Temperature: Begins expansion at 200°C
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Consistent Quality: Reliable expansion performance
Applications
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Sealing Materials: High-temperature gaskets and seals
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Fire Retardancy: Flame retardant coatings and panels
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Battery Materials: High-energy battery components
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Thermal Management: Heat shielding and insulation
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Medical Applications: Biomedical materials
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Environmental Protection: Adsorption and filtration media
Expansion Process
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Heat treatment at 950-980°C for 20 seconds
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Air atmosphere expansion
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Forms low-density vermicular structure
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Creates highly porous expanded material
Product Advantages
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Consistent expansion performance
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Excellent thermal stability
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Chemical resistance
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Environmentally friendly material
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Customizable expansion ratios available
Quality Assurance
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Strict expansion ratio testing
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Particle size distribution control
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Chemical composition verification
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Batch consistency guaranteed
Contact Information
For technical specifications and ordering:
Email: Sales@maxnanotech.com
| Weight | 100 g |
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| Dimensions | 30 × 20 × 20 mm |
| Specification | Expansion Ratio: ≥ 350x; Mass: 100 g, Expansion Ratio: ≥ 350x; Mass: 500 g, Expansion Ratio: ≥ 350x; Mass: 1 kg |
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