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Formula: ETFE
Form: Rod
Material: Ethylene tetrafluoroethylene (ETFE)
CAS Number: 25038-71-5
Commodity: Polymers
ETFE Rods are part of our huge range of specialized rods. They’re available in 20 variations based on diameter and length. ETFE, or ethylene tetrafluoroethylene, is a fluorine-based plastic known for its high-temperature resistance, chemical inertness and low friction. Properties that mean ETFE rods are used across science and industry, from electrical insulators and chemical tubing to rollers and glide bearings. With many sizes to choose from, our ETFE rods enable customization for specialized applications.
Tolerances
Rod
| Diameter | +20% / -10% |
|---|
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Halogens | Good |
| Ketones | Good |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 2.6 |
| Dissipation factor @ 1MHz | 0.0005 |
| Dielectric strength( kV mm⁻¹ ) | 25 |
| Surface resistivity( Ohm/sq ) | >10¹⁴ |
| Volume resistivity( Ohmcm ) | 10¹⁶ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V0 |
| Radiation resistance | Fair |
| Refractive index | 1.403 |
| Resistance to Ultra-violet | Excellent |
| Limiting oxygen index( % ) | 30-32 |
| Water absorption( % ) | 0-0.03 |
| Density( gcm⁻³ ) | 1.7 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Rockwell | R50 |
| Elongation at break( % ) | 250-350 |
| Tensile modulus( GPa ) | 0.8 |
| Izod impact strength( J m⁻¹ ) | 1000 |
| Tensile strength( MPa ) | 28-48 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 105 |
| Heat-deflection temperature - 1.8MPa( C ) | 70 |
| Lower working temperature( C ) | -100 |
| Upper working temperature( C ) | 150-160 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1900-2000 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.24@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 90-170 |
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