PET – Polyethylene terephthalate
Semi crystalline thermoplastic engineering material with great high strength, good rigidity and excellent machinability. Industry fields: Automotive industry, mechanical engineering, electrical engineering, precision engineering, household appliances, food technology, medical technology, transport and conveyor technology.
Semi crystalline thermoplastic engineering material with great high strength, good rigidity and excellent machinability. Industry fields: Automotive industry, mechanical engineering, electrical engineering, precision engineering, household appliances, food technology, medical technology, transport and conveyor technology.
Very low water absorption. Easy machined and suitable for food contact. Tough, strong and rigid. Good sliding properties and electrical insulation. Resistant to cleaning agents, many solvent and acids. Easy to bond, weld, polish and machine. Great abrasion resistance
Not resistant long term to water over 60 oC
| Properties | Unit | Test method DIN EN ISO/ASTM | Value | ||
| Mechanical | |||||
| Density | g/cm3 | 527 / D792 | 1,37 | ||
| Tensile strength at yield | MPa | 527 / D638 | 88 | ||
| Tensile strength at break | MPa | ||||
| Elongation at breaк | % | 527 / D638 | 4 | ||
| Modulus of elasticity in tension | MPa | 527 / D638 | 3200 | ||
| Modulus of elasticity in flexure | MPa | 178 / D790 | |||
| Ball indentation hardness | MPa | 2039 / 1 | 95 | ||
| Impact strength | kJ/m2 | 179 / D256 | No br. | ||
| Creep rupture strength after 1000 hrs with static load | MPa | 36 | |||
| Time yield limit for 1% elongation after 1000 hrs. | MPa | 13 | |||
| Coefficient of friction against hardened and ground steel p=0,05 N/mm2, v=0,6 m/s | —– | 0,25 | |||
| Wear conditions as above | μm/km | 0,35 | |||
| Thermal | |||||
| Crystalline melting point | °C | DIN 53 736 | 255 | ||
| Glass transition temperature | °C | DIN 53 736 | 70 | ||
| Heat distorsion temperature Method A Method B | °C °C | R 75 R 75 | 95 170 | ||
| Max. service temperature Short term
Long term |
°C °C | Up to 160
110 |
|||
| Coefficient of thermal conductivity | W/(m.K) | 0,24 | |||
| Specific heat | J/(g.K) | 1.10 | |||
| Coefficient of thermal expansion | 10-5 / K | DIN 53 483 /D696 | 7 | ||
| Electrical | |||||
| Dielectric constant at 105 Hz | DIN 53 483 | 3.20 | |||
| Dielectric loss factor at 105 Hz | DIN 53 483 | 0.021 | |||
| Specific volume resistance | Ω . cm | DIN 60093 | 1013 | ||
| Surface resistance | Ω | DIN 60093 | 1015 | ||
| Dielectric strength 1 mm | kV/mm | ASTM 149 | 60 | ||
| Tracking resistance | 53480 | KC 350 | |||
| Others | |||||
| Moisture absorption (standart) | % | 62 | 0.25 | ||
| Water absorption at saturation 230 C | % | 62 | 0.50 | ||
| Resistance to hot water, washing soda | Not resistant | ||||
| Flammability (UL standart 94) | HB | ||||
| Resistance to weathering | Resistant in black | ||||
Plugs, housing parts, insulators, seals, gear wheels, friction bearings, friction strips, tool carriers, rollers, agitators and etc.

