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Duratron U1000 (PEI)
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- High maximum service temperature in air;
- High mechanical strength, creep resistance and stiffness, even at elevated temperatures;
- Excellent hydrolysis resistance;
- High toughness, even at low temperatures;
- Very good dimensional stability;
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Semi-finished products manufactured with ULTEM® resin
This amorphous polymer remarkably combines thermal, mechanical and electrical properties with a low level of flammability, whereby the emission of fumes during combustion is poor.
These features make PEI 1000 perfectly fit for use in electric/electronic equipment, as well as in structural components requiring great resistance and stiffness at high temperatures.
Specifications
- High maximum service temperature in air
- High mechanical strength, creep resistance and stiffness, even at elevated temperatures
- Excellent hydrolysis resistance (suitable for repeated steam sterilization cycles)
- High toughness, even at low temperatures
- Very good dimensional stability
- Physiologically inert
- Good electrical insulating and dielectric properties
- Translucent, non-optical quality
- Very good resistance against high energy radiation
| Properties | ISO / (IEC) standard | Unit of measurement | Value |
| General properties | |||
| Colour | Amber | ||
| translucent | |||
| Density | 1183-1 | g/cm3 | 1.27 |
| Water absorption: | |||
| - after 24/96 h immersion in | 62 | mg | 16/34 |
| water at 23 °C | |||
| 62 | % | 0.19/0.40 | |
| - at saturation in air of 23 °C / 50% RH | -- | % | 0.7 |
| - at saturation in water of 23 °C | -- | % | 1.3 |
| Thermal properties | |||
| Melting temperature | 11357-1/-3 | °C | -- |
| Glass transition temperature | 11357-1/-2 | °C | 215 |
| Thermal conductivity at 23 °C | - | W (K.m) | 0.24 |
| Average coefficient of linear thermal expansion: | |||
| - average value between 23 and 100 °C | - | m/(m.K) | 50x10-6 |
| - average value between 23 and 150 °C | - | m/(m.K) | 50x10-6 |
| - average value above 150 °C | - | m((m.K) | 60x10-6 |
| Deflection temperature under load: | |||
| - method A: 1.8 MPa | 75-1/-2 | °C | 195 |
| Max. operating temperature in air: | |||
| - for short periods | - | °C | 200 |
| - continuously: min. 20.000 h | - | °C | 170 |
| Min. operating temperature | -50 | ||
| Flammability: | |||
| "Oxygen index" | 4589-1/-2 | % | 47 |
| - according to method UL 94 | - | - | V-0/V-0 |
| (1.5/3 mm thickness) | |||
| Mechanical properties at 23 °C | |||
| Tension test | |||
| - Tensile stress at yield / Ultimate tensile strenght | 527-1/-2 | MPa | 129/- |
| - Tensile strain at break | 527-1/-2 | % | 13 |
| - Tensile modulus of elasticity | 527-1/-2 | MPa | 3500 |
| Compression test | |||
| - Compressive stress at 1% nominal strain | 604 | MPa | 31 |
| - Compressive stress at 2% nominal strain | 604 | MPa | 61 |
| Charpy impact strength - unnotched | 179-1/1eU | kJ/m2 | Natural rubber (NR) |
| Charpy impact strength - notched | 179-1/1eA | kJ/m2 | 3.5 |
| Ball indentation hardness | 2039-1 | N/mm2 | 165 |
| Rockwell hardness | 2039-2 | - | M 115 |
| Electrical properties at 23 °C | |||
| Dielectric strength | (60243-1) | kV/mm | 27 |
| Volume resistivity | -60093 | Ohm.sq | >1014 |
| Surface resistivity | ANSI/ESD | Ohm.sq | >1013 |
| STM 1111 | |||
| Relative permittivity Â: | -60250 | -- | 3 |
| at 100 Hz | |||
| at 1 MHz | -60250 | -- | 3 |
| Dielectric dissipation factor. tan ‰: | -60250 | -- | 0.002 |
| at 100 Hz | |||
| at 1 MHz | -60250 | -- | 0.002 |
| Comparative Tracking Index | -60112 | -- | 175 |
| (CTI) |
Although the information provided in this product data sheet is confirmed by reliable research, POLITECNICA CETAI shall not take any responsibility for the application, processing or use of such information.
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