PTFE — Polytetrafluoroethylene (Teflon) Pellets Supplier China | Chemical-Resistant
PTFE (Polytetrafluoroethylene, 聚四氟乙烯) is the original Teflon fluoropolymer with:
- -200°C to +260°C continuous service temp
- Lowest coefficient of friction of any solid (self-lubricating)
- Chemical inert to virtually all solvents
- Excellent UV / weathering resistance
Key Properties of PTFE
| Property | Value |
|---|
| **Full name** | Polytetrafluoroethylene |
|---|---|
| **Continuous service temp** | -200°C to +260°C |
| **Density** | 2.13-2.20 g/cm³ |
| **Tensile strength** | 10-40 MPa (unfilled), 14-30 MPa (filled) |
| **Flame rating (UL94)** | V-0 |
| **Coefficient of friction** | **0.04-0.10** (lowest of any solid) |
| **Chemical resistance** | Inert to virtually all acids / bases / solvents |
PTFE Subdivisions
| Subdivision | Description | Application |
|---|
| **Virgin PTFE** | Unfilled, natural white | Chemical resistant parts |
|---|---|---|
| **PTFE Glass-Filled** | Glass-fiber reinforced | Higher mechanical loadings |
| **PTFE Carbon-Filled** | Carbon-fiber reinforced | Wear / conductivity |
| **PTFE Bronze-Filled** | Bronze-filled | High wear |
| **ePTFE (expanded)** | Expanded film | Architectural / medical |
Applications of PTFE
Chemical Processing
- Pipes / tanks / valves / gaskets
- Chemical inertness for all acids / bases / solvents
Wire / Cable
- High-temp aerospace wire harness
- High-temp cable insulation
Medical
- ePTFE graft (血管)
- Medical implants
Architectural
- Architectural fabric (Gore-Tex-style)
- Outdoor roofing
Industrial
- Sealing / bearing / slide plate
Packaging
- Pellets: 25 kg / bag
- Powder: 25 kg / drum
- Film / Sheet: Custom sizes
Contact — 24h Quote
Daishuming Lingli (代书命) — Founder & Sales Director
📱 +86-13922534393 | 📧 [email protected]
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