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Formula: PFA
Form: Rod
Material: Perfluoroalkoxy (Teflon-PFA)
Commodity: Polymers
Teflon PFA Copolymer Rods are part of our wide range of polymer rods and come in 32 variations. They’re made from a copolymer of tetrafluoroethylene and perfluoroalkylvinylether, giving them excellent chemical resistance as well as high-temperature stability. Teflon PFA rods are used in the chemical processing, semiconductor and oil/gas industries, where corrosion resistance is paramount. They can be machined into bushings, spacers and other components for use in harsh environments. With a wide choice of sizes available our Teflon PFA Copolymer Rods provide versatile, high-performance solutions for diverse applications.
Tolerances
Rod
| Diameter | +20% / -10% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Excellent |
| Acids - dilute | Excellent |
| Alcohols | Excellent |
| Alkalis | Excellent |
| Aromatic hydrocarbons | Excellent |
| Greases and Oils | Excellent |
| Halogens | Excellent |
| Ketones | Excellent |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1kHz | 2.05-2.06 |
| Dielectric constant @1MHz | 2.05-2.06 |
| Dissipation factor @ 1kHz | 0.0001-0.0002 |
| Dissipation factor @ 1MHz | 0.0008 |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V0 |
| Refractive index | 1.35 |
| Limiting oxygen index( % ) | 95% |
| Water absorption( % ) | 0.03 |
| Density( gcm⁻³ ) | 2.15 |
Mechanical Properties
| Element | Value |
|---|---|
| Elongation at break( % ) | 300 |
| Tensile strength( MPa ) | 25 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 63-80 |
| Heat-deflection temperature - 1.8MPa( C ) | 48-50 |
| Upper working temperature( C ) | 260 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.19 |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 76-78 |
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