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Formula: PEI
Form: Tube
Material: Polyetherimide (PEI)
CAS Number: 61128-46-9
Commodity: Polymers
Wall Thickness:
0.7mm
Inside Diameter:
0.9mm
Outside Diameter:
2.3mm
Colour:
Clear Amber
PEI Tube is a plastic tubing product offered in Goodfellow's range of tubes. With 14 variations, this tubing provides high heat resistance and chemical inertness for applications like medical devices, aerospace wiring, and automotive sensors. The polyetherimide polymer retains useful properties like impact strength and rigidity to 300°C. Goodfellow's selection of options makes this tubing versatile for routing wires, fluids, or gases in demanding environments.
Tolerances
Tube
| Outside Diameter | =<2mm | ±10% |
|---|---|---|
| Outside Diameter | =<5mm | ±10% |
| Outside Diameter | >5mm | ±10% |
| Wall Thickness | ±20% |
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good(-Fair?) |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good-Poor |
| Aromatic hydrocarbons | Poor |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good-Poor |
| Ketones | Poor |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1kHz | 3.1 |
| Dissipation factor @ 1MHz | 0.0013@1 |
| Dielectric strength( kV mm⁻¹ ) | 30@1.6mm |
| Surface resistivity( Ohm/sq ) | 4.10¹³ |
| Volume resistivity( Ohmcm ) | 7.10¹⁵ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | V-0 @ 0.4mm |
| Radiation resistance | Good |
| Resistance to Ultra-violet | Good/Fair |
| Limiting oxygen index( % ) | 47 |
| Water absorption - equilibrium( % ) | 1.3 |
| Water absorption - over 24 hours( % ) | 0.25 |
| Density( gcm⁻³ ) | 1.27 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Rockwell | R125 |
| Poisson's ratio | 0.44 |
| Elongation at break( % ) | 60 |
| Compressive modulus( GPa ) | 2.9 |
| Tensile modulus( GPa ) | 2.9 |
| Izod impact strength( J m⁻¹ ) | 50 |
| Abrasive resistance - ASTM D1044( mg/1000 cycles ) | 10 |
| Tensile strength( MPa ) | 85 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 200 |
| Heat-deflection temperature - 1.8MPa( C ) | 190 |
| Upper working temperature( C ) | 170-200 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 2000 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.22@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 56 |
Pultrusions
| Element | Value |
|---|---|
| Compressive strength( MPa ) | 140 |
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Percentage Purity: 99.2%
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Wall Thickness: 0.9mm
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Ultem® 1000-7107 PEI Rod Grade: Ultem® 1000-7107
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Length: 1000mm
Colour: Black
CAS Number: 61128-46-9
UOM Code: 743-791-56
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