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Polypropylene (PP)
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- High electrical properties
- High chemical properties
- Excellent stiffness
- Can be welded
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PP is a semi-crystalline thermoplastic with high electrical and chemical properties, and excellent stiffness.
It is normally used at temperatures between -5 °C and +90 °C, and it can be welded.
It is normally used at temperatures between -5 °C and +90 °C, and it can be welded.
Its applications include use in the mechanical, aeronautical, electrical, and building industries.
| Properties | ISO standard | Unit of measurement | Value |
| General properties | |||
| Colour | grey / natural | ||
| Density (specific weight) | 1183 | g/cm3 | 0.91 |
| Water absorption | 62 | % | <0.01 |
| Mechanical properties | |||
| Tensile strain at break | 527 | % | 70 |
| Tensile strain at yield | 527 | MPa | -- |
| Tensile modulus of elasticity | 527 | MPa | 3000 |
| Impact strength (Charpy impact test - notched) | 179/1eA | kJ/m2 | -- |
| Hardness | 53505 | Scale D | 70 |
| Thermal properties | |||
| Melting temperature | 11357 | °C | 164 |
| Thermal conductivity | 52612 | W/mK | 0.22 |
| Coefficient of linear thermal expansion | v. m. tra 20 °C e 60 °C | m/mK | 1.6x104 |
| Working temperature, continuously | -- | °C | 0/+100 |
| Working temperature, for short periods | -- | °C | -- |
| Flammability | UL94 | -- | HB |
| Electric properties | |||
| Dielectric strength | 60243 | kV/mm | 52 |
| Volume resistivity | 60093 | Ohm/cm | -- |
| Surface resistivity | 60093 | Ohm | >1013 |
| Physiological properties | |||
| 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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