Forwa ptfe sheet
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Description
Product Introduction
Forwa PTFE Sheet is a high-performance engineering plastic sheet made from polytetrafluoroethylene (PTFE) resin through molding and sintering processes. Known as the "King of Plastics," PTFE offers outstanding chemical stability, high-temperature resistance, and an extremely low friction coefficient. It is an indispensable high-performance material in modern industry.
Product Features
Physical Properties
- Density: 2.1–2.3 g/cm³ (typical value 2.2 g/cm³)
- Melting Point: 327°C
- Operating Temperature Range: -200°C to +260°C
- Friction Coefficient: 0.04–0.15 (the lowest among all plastics)
- Surface Tension: 18.5 dyn/cm (almost not wetted by any liquid)
Chemical Properties
- Chemical Inertness: Resists almost all strong acids, strong alkalis, strong oxidizers, and organic solvents
- Weather Resistance: Unaffected by UV rays or ozone; maintains stable performance over long-term use
- Non-Stick Property: Extremely low surface energy; almost nothing adheres to it
Electrical Properties
- Insulation Performance: Volume resistivity > 10¹⁸ Ω·cm
- Dielectric Constant: 2.1–2.2 (at 10⁶ Hz)
- Dielectric Loss: 0.0001–0.0005
- Problems It Solves
Industrial Application Issues
- Corrosion Problems: Protects equipment from erosion by strong acids, strong alkalis, and other corrosive media
- Adhesion Problems: Prevents material sticking and clogging during processing and conveying
- Friction Problems: Reduces friction and wear on mechanical moving parts
- Sealing Problems: Provides reliable sealing solutions to prevent leakage
Technical Challenges
- High-Temperature Environments: Maintains stable performance under high temperatures
- Cleanliness Requirements: Meets hygiene standards for food and pharmaceutical industries
- Insulation Needs: Delivers excellent electrical insulation performance
Key Advantages
Performance Advantages
- Superior Chemical Resistance: Almost immune to corrosion by any chemicals
- Wide Temperature Range: Maintains stable performance from ultra-low to high temperatures
- Ultra-Low Friction Coefficient: Self-lubricating, effectively reducing energy consumption
- Excellent Electrical Insulation: Stable performance at high frequencies
- Non-Stick Surface: Easy to clean and prevents material buildup
Economic Advantages
- Long Service Life: Far exceeds that of ordinary materials
- Low Maintenance: Reduces equipment maintenance frequency and costs
- Improved Efficiency: Enhances process flow and boosts production efficiency
- Safety and Reliability: Lowers accident risks and improves production safety
Application Scenarios
Chemical Industry
- Reactor Linings: Inner linings for reaction kettles handling strong acids and alkalis
- Piping Systems: Linings and seals for chemical pipelines, valves, and pumps
- Anti-Corrosion Equipment: Corrosion protection for storage tanks, towers, and heat exchangers
Machinery Manufacturing
- Bearings and Guide Rails: Low-friction bearings and sliding guide rails
- Gears and Cams: Silent gears and precision transmission components
Electronics & Electrical
- Insulation Materials: High-frequency cable insulation and circuit board substrates
- Connectors: High-temperature connectors and sockets
- Semiconductor Equipment: Components for wafer processing equipment
Food & Pharmaceutical
- Food Processing Equipment: Non-stick coatings and conveyor belts
- Pharmaceutical Equipment: Reactor linings and piping systems
- Medical Devices: Catheters and implantable components
Aerospace
- Sealing Systems: Seals for aircraft hydraulic systems
- Insulation Components: Insulation for aerospace electronic equipment
- Wear-Resistant Parts: Precision wear-resistant components
Technical Data Reference
Physical Properties
Property | Value Range | Test Standard |
Density | 2.1–2.3 g/cm³ | ASTM D792 |
Tensile Strength | 20–35 MPa | ASTM D638 |
Elongation at Break | 200–400% | ASTM D638 |
Compressive Strength | 10–15 MPa | ASTM D695 |
Hardness (Shore D) | 50–65 | ASTM D2240 |
Thermal Properties
Property | Value | Test Standard |
Melting Point | 327°C | ASTM D3418 |
Continuous Use Temperature | -200°C to +260°C | - |
Heat Deflection Temperature | 55°C (at 1.8 MPa) | ASTM D648 |
Thermal Conductivity | 0.25 W/(m·K) | ASTM C177 |
Electrical Properties
Property | Value | Test Standard |
Volume Resistivity | >10¹⁸ Ω·cm | ASTM D257 |
Surface Resistivity | >10¹⁷ Ω | ASTM D257 |
Dielectric Constant (10⁶Hz) | 2.1–2.2 | ASTM D150 |
Dielectric Strength | 60 kV/mm | ASTM D149 |
Friction Properties
Property | Value |
Static Friction Coefficient | 0.04–0.10 |
Dynamic Friction Coefficient | 0.04–0.15 |
Wear Rate | 10⁻⁶ – 10⁻⁷ mm³/N·m |
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No. 168, Qingdong Road, Dongcheng Street, Sihui City, Guangdong Province, China.
