PTFE
PTFE, also known as Polytetrafluoroethylene, is a high-performance fluoropolymer widely used across industries for its exceptional chemical resistance, thermal stability, and low friction properties. Our premium PTFE products are engineered to meet rigorous industrial standards, offering reliability in demanding environments.
PTFE Product Specifications
Key Properties
- Chemical Resistance: Resistant to nearly all industrial chemicals and solvents
- Temperature Range: -200°C to +260°C (-328°F to +500°F) continuous service
- Friction Coefficient: 0.05-0.10 (one of the lowest of any solid material)
- Dielectric Strength: 19.7 kV/mm
- Density: 2.14-2.20 g/cm³
- Tensile Strength: 13-34 MPa (1,900-4,900 psi)
Available Forms and Dimensions
| Form | Standard Sizes | Thickness Range | Color |
|---|---|---|---|
| Sheets | Up to 1500mm x 3000mm | 0.5mm to 50mm | White, Natural |
| Rods | Diameter: 5mm to 500mm | Length: up to 3000mm | White, Natural |
| Tubes | ID: 2mm to 500mm | Wall thickness: 0.5mm to 50mm | White, Natural |
| Films | Width: up to 1500mm | 0.025mm to 0.5mm | Transparent, White |
PTFE Applications
Our PTFE materials are used in:
- Chemical processing equipment
- Electrical insulation components
- Food processing machinery
- Medical devices
- Aerospace components
- Automotive systems
- Semiconductor manufacturing
PTFE FAQ
Q: What is the maximum continuous operating temperature for PTFE?
A: PTFE can maintain its mechanical properties at continuous operating temperatures up to 260°C (500°F). For short-term exposure, it can withstand temperatures up to 300°C (572°F) without significant degradation. This makes PTFE ideal for high-temperature applications where other plastics would fail.
Q: How does PTFE compare to other fluoropolymers like FEP or PFA?
A: While all fluoropolymers share excellent chemical resistance, PTFE offers superior temperature resistance compared to FEP (Fluorinated Ethylene Propylene) and similar thermal resistance to PFA (Perfluoroalkoxy). PTFE has the lowest coefficient of friction among them but is less transparent and more difficult to process than FEP or PFA. Each material has specific advantages depending on application requirements.
Q: Can PTFE be used in food contact applications?
A: Yes, virgin PTFE is FDA-compliant and suitable for food contact applications. Our food-grade PTFE meets all relevant standards including FDA 21 CFR 177.1550 and EU Regulation 10/2011. It's widely used in food processing equipment, baking surfaces, and food packaging applications. However, any additives or fillers must also be food-grade approved.
Custom PTFE Solutions
We specialize in manufacturing custom PTFE components to meet specific application requirements:
- Machined parts with tight tolerances (±0.05mm achievable)
- Filled PTFE compounds (glass, carbon, bronze, etc.) for enhanced properties
- Multi-layer composites with PTFE surfaces
- PTFE-coated metal components
- Large-scale fabricated PTFE linings
Filled PTFE Options
| Filler Type | Percentage | Key Benefits | Typical Applications |
|---|---|---|---|
| Glass Fiber | 15-25% | Improved wear resistance, dimensional stability | Bearings, seals, wear pads |
| Carbon | 15-30% | Higher conductivity, better creep resistance | Electrical components, chemical processing |
| Bronze | 40-60% | Superior wear resistance, higher thermal conductivity | Bushings, bearings, sliding surfaces |
| Molybdenum Disulfide | 5-15% | Lower friction under heavy loads | High-load bearings, compressor parts |
Quality Assurance
Our PTFE products undergo rigorous quality control:
- Batch testing for mechanical properties
- Chemical resistance verification
- Dimensional accuracy checks
- Purity analysis (for medical/food grade)
- Traceability from raw material to finished product
With over two decades of experience in PTFE manufacturing, we guarantee products that meet or exceed industry standards including ASTM D3295, ASTM D1710, and ISO 13000 series specifications.