Teflon, or polytetrafluoroethylene (PTFE), is renowned for its unique mechanical properties that make it indispensable in industries ranging from cookware to aerospace. Its key mechanical attributes include high tensile strength (6.90–35 MPa), exceptional elongation at break (300–550%), and low flexural modulus (0.5–1.0 GPa), which contribute to its durability and flexibility. Additionally, Teflon exhibits remarkable compressive strength (10–20 MPa), impact resistance (1.76–5.0 J/m), and a low coefficient of friction (static: 0.04–0.08, dynamic: 0.02–0.06), making it ideal for non-stick and low-wear applications. Its hardness (55–60 Shore D) and density (2.10–2.30 g/cm³) further underscore its robustness and lightweight nature.
Key Points Explained:
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Tensile Strength (6.90–35 MPa)
- Measures resistance to breaking under tension. Teflon’s wide range accommodates varying grades, with higher values (e.g., 35 MPa) suited for structural applications.
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Elongation at Break (300–550%)
- Reflects extreme flexibility before fracture, critical for seals and gaskets that undergo deformation.
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Flexural Modulus (0.5–1.0 GPa)
- Indicates stiffness under bending. Teflon’s low modulus allows it to conform to surfaces without cracking.
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Compressive Strength (10–20 MPa)
- Ensures stability under crushing loads, useful in bearings and industrial components.
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Impact Resistance (1.76–5.0 J/m)
- Charpy impact values highlight toughness against sudden shocks, vital for mechanical parts.
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Coefficient of Friction (Static: 0.04–0.08, Dynamic: 0.02–0.06)
- Among the lowest of any solid, enabling non-stick surfaces and reducing energy loss in moving parts.
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Hardness (55–60 Shore D)
- Balances softness for machinability with enough rigidity to resist abrasion.
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Density (2.10–2.30 g/cm³)
- Lightweight yet dense enough for thermal and chemical stability.
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Additional Properties
- Thermal Resistance: Withstands temperatures up to 600 K (327°C), ideal for high-heat environments.
- Chemical Inertness: Resists almost all chemicals except alkali metals, ensuring longevity in corrosive settings.
For purchasers, these properties translate to long-lasting, low-maintenance equipment with reduced wear and energy costs. Whether selecting Teflon for seals, coatings, or insulating components, its mechanical profile ensures reliability across extreme conditions. Have you considered how its low friction could reduce operational costs in your application?
Summary Table:
| Property | Value Range | Key Benefit |
|---|---|---|
| Tensile Strength | 6.90–35 MPa | Resists breaking under tension, ideal for structural parts. |
| Elongation at Break | 300–550% | Extreme flexibility for seals/gaskets. |
| Flexural Modulus | 0.5–1.0 GPa | Conforms to surfaces without cracking. |
| Compressive Strength | 10–20 MPa | Stable under crushing loads (e.g., bearings). |
| Impact Resistance | 1.76–5.0 J/m | Tough against shocks, perfect for mechanical parts. |
| Coefficient of Friction | Static: 0.04–0.08, Dynamic: 0.02–0.06 | Minimizes wear and energy loss in moving components. |
| Hardness (Shore D) | 55–60 | Machinable yet abrasion-resistant. |
| Density | 2.10–2.30 g/cm³ | Lightweight with thermal/chemical stability. |
| Thermal Resistance | Up to 327°C (600 K) | Performs in high-heat environments. |
| Chemical Inertness | Resists most chemicals | Longevity in corrosive settings. |
Optimize your equipment with Teflon’s unmatched properties!
At KINTEK, we specialize in precision-engineered PTFE components (seals, liners, labware, and more) tailored for semiconductor, medical, and industrial applications. Our custom fabrication services—from prototypes to high-volume orders—ensure your solutions meet exact performance demands.
Contact us today to discuss how Teflon can reduce wear, lower costs, and enhance durability in your operations.