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Ketron® PEEK-CA30
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- Extremely high maximum operating temperature in air
- High mechanical strength, creep resistance and stiffness, even at elevated temperatures
- Excellent chemical and hydrolysis resistance
- Excellent behaviour under wear and friction
- Low intrinsic flammability and extremely low emission of fumes during combustion
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This grade, which is reinforced with 30% carbon fibres, offers mechanical properties that are even better (enhanced stiffness, mechanical strength and creep resistance) than KETRON® PEEK-GF30, including excellent resistance to wear. The carbon fibres also improve thermal conductivity 3.5 times more efficiently than virgin PEEK, as a result of which heat is dissipated quickly from the sliding surface.
Specifications
- Extremely high maximum operating temperature in air (+250 °C continuously, with peaks up to +350 °C)
- High mechanical strength, creep resistance and stiffness, even at elevated temperatures
- Excellent chemical and hydrolysis resistance
- Excellent behaviour under wear and friction (in particular for KETRON® PEEK - HPV and CA 30)
- Low intrinsic flammability and extremely low emission of fumes during combustion
- Very good dimensional stability
- Good electrical insulation and dielectric properties (except for KETRON® PEEK - HPV and CA 30)
- Excellent resistance against high energy radiation
| Properties | ISO / (IEC) standard | Unit of measurement | Value |
| General properties | |||
| Colour | black | ||
| Density | 1183-1 | g/cm3 | 1.4 |
| Water absorption: | |||
| - after 24/96 h immersion in | 62 | mg | 4/9 |
| water at 23 °C | |||
| 62 | % | 0.05/0.11 | |
| - at saturation in air of 23 °C / 50% RH | -- | % | 0.16 |
| - at saturation in water of 23 °C | -- | % | 0.35 |
| Thermal properties | |||
| Melting temperature | 11357-1/-3 | °C | 340 |
| Glass transition temperature | 11357-1/-2 | °C | -- |
| Thermal conductivity at 23 °C | - | W (K.m) | 0.92 |
| Average coefficient of linear thermal expansion: | |||
| - average value between 23 and 100 °C | - | m/(m.K) | 25x10-6 |
| - average value between 23 and 150 °C | - | m/(m.K) | 25x10-6 |
| - average value above 150 °C | - | m((m.K) | 55x10-6 |
| Deflection temperature under load: | |||
| - method A: 1.8 MPa | 75-1/-2 | °C | 260 |
| Max. operating temperature in air: | |||
| - for short periods | - | °C | 310 |
| - continuously: min. 20.000 h | - | °C | 250 |
| Min. operating temperature | -20 | ||
| Flammability: | |||
| "Oxygen index" | 4589-1/-2 | % | 40 |
| - 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 strength | 527-1/-2 | MPa | NYP/144 |
| - Tensile strain at break | 527-1/-2 | % | 3.5 |
| - Tensile modulus of elasticity | 527-1/-2 | MPa | 9200 |
| Compression test | |||
| - Compressive stress at 1% nominal strain | 604 | MPa | 69 |
| - Compressive stress at 2% nominal strain | 604 | MPa | 125 |
| Charpy impact strength - unnotched | 179-1/1eU | kJ/m2 | 50 |
| Charpy impact strength - notched | 179-1/1eA | kJ/m2 | 5 |
| Ball indentation hardness | 2039-1 | N/mm2 | 310 |
| Rockwell hardness | 2039-2 | - | M 102 |
| Electrical properties at 23 °C | |||
| Dielectric strength | (60243-1) | kV/mm | -- |
| Volume resistivity | (60093) | Ohm.sq | >105 |
| Surface resistivity | ANSI/ESD | Ohm.sq | >105 |
| STM 1111 | |||
| Relative permittivity Â: | (60250) | -- | -- |
| at 100 Hz | |||
| at 1 MHz | (60250) | -- | -- |
| Dielectric dissipation factor. tan ‰: | (60250) | -- | -- |
| at 100 Hz | |||
| at 1 MHz | (60250) | -- | -- |
| Comparative Tracking Index | (60112) | -- | -- |
| (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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