What is PTFE Nanopowder/Nanoparticles (Polytetrafluoroethylene, (C₂F₄)n)?
PTFE (Polytetrafluoroethylene) Nanopowder consists of ultra-fine particles of PTFE, known for its exceptional chemical resistance, low friction, thermal stability, and electrical insulation properties. It is widely used in coatings, lubricants, electrical components, and high-performance materials.
Chemical Properties and CAS Number
- Chemical Formula: (C₂F₄)n
- CAS Number: 9002-84-0
- Appearance: White fine powder
- Density: Approximately 2.2 g/cm³
- Melting Point: ~327°C
- Solubility: Insoluble in water and most solvents
- Chemical Stability: Highly resistant to acids, bases, and oxidation, with excellent thermal and chemical inertness
Applications of PTFE Nanoparticles
1. Coatings and Lubricants
Used in non-stick coatings, industrial lubricants, and anti-friction coatings to reduce wear and improve durability.
2. Electrical and Electronic Components
Applied in insulation materials, high-frequency cables, and semiconductor manufacturing for its outstanding dielectric properties.
3. Medical and Biomedical Applications
Employed in medical implants, drug delivery systems, and surgical instruments due to its biocompatibility and non-reactivity.
4. Aerospace and Automotive Industries
Utilized in lightweight, heat-resistant components for aerospace and automotive applications, including seals and bearings.
5. Additive Manufacturing and 3D Printing
Incorporated into advanced composites and additive manufacturing materials to enhance chemical resistance and mechanical performance.
6. Chemical Processing and Industrial Seals
Used in gaskets, seals, and linings for chemical plants, offering unmatched resistance to harsh chemicals and extreme temperatures.
Pricing of PTFE Nanopowder
Prices vary based on purity, particle size, and industry demand:
- Industrial Grade: Typically ranges from $100 – $500 per kilogram
- High-Purity/Specialized Grade: Prices range from $500 – $2,500 per kilogram, used in medical, electronics, and aerospace applications.
Factors Influencing PTFE Nanopowder Prices
- Purity and particle size distribution
- Application-specific requirements in high-tech industries
- Processing complexity and production costs
- Bulk order volume and industry demand
Conclusion
PTFE (Polytetrafluoroethylene) Nanopowder is a highly versatile material valued for its chemical inertness, low friction, and excellent thermal stability. Its applications in coatings, electronics, medical devices, and industrial seals make it an essential component in advanced materials. Pricing depends on purity, particle specifications, and intended usage.