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PE HD 500 - PE-HMW
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- Suitable for contact with foodstuffs
- Good resistance to wear
- Good friction coefficient
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Molecular weight, approx. 500,000 g/mol
PE HD 500 is a versatile polyurethane grade used in the food industry (processing of meat and fish), but it is also a good choice for any kind of mechanical, chemical, and electric application.
| Properties | ISO standard | Unit of measurement | Value |
| General properties | |||
| Colour | natural / black / coloured | ||
| Molecular weight | -- | g/mol | 0.5x106 |
| Density (specific weight) | 1183 | g/cm3 | 0.95 |
| Water absorption | 62 | % | <0.1 |
| Mechanical properties | |||
| Tensile strain at break | 527 | % | >50 |
| Tensile strain at yield | 527 | MPa | 28 |
| Tensile modulus of elasticity | 527 | MPa | 1300 |
| Impact strength (Charpy impact test - notched) | 179/1eA | kJ/m2 | 105P |
| Hardness | 53505 | Scale D | 62 |
| Thermal properties | |||
| Melting temperature | 11357 | °C | 135 |
| Thermal conductivity | 52612 | W/mK | 0.4 |
| Coefficient of linear thermal expansion | av. value between 20 °C and 100 °C | m/mK | 150x10-6 |
| Working temperature, continuously | -- | °C | -50/+80 |
| Working temperature, for short periods | -- | °C | 100 |
| Flammability | UL94 | -- | HB |
| Electric properties | |||
| Dielectric strength | 60243 | kV/mm | 45 |
| Volume resistivity | 60093 | Ohm/cm | >1014 |
| Surface resistivity | 60093 | Ohm | >1012 |
| Physiological | |||
| Suitable for contact with foodstuffs | 21 CFR (FDA) | -- | Yes |
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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