Polybutylene Terephthalate Polybutylene Terephthalate Polybutylene Terephthalate
PBT Rods – The Versatile Choice for Your Plastic Needs
Our PBT (Polybutylene Terephthalate) rods are your reliable solution for various applications. These rods come in an opaque off-white color and are designed to meet the rigorous specifications of the American Society for Testing and Materials (ASTM D6261).
PBT is a remarkable plastic known for its toughness and impact resistance, making it ideal for a wide range of uses. Thanks to its excellent creep resistance and low moisture absorption, PBT maintains its dimensional stability over time. Additionally, it exhibits outstanding resistance to various chemicals at room temperature, outperforming other materials like PET when it comes to impact resistance.
Plastic materials are engineered to offer specific properties, and PBT rods are no exception. Notable features include low weight, ease of machining, corrosion resistance, and excellent thermal and electrical insulating properties.
These PBT rods find their way into a multitude of applications, especially in the electrical and appliance industries. Electrical components like connectors, terminals, switches, relays, and more benefit from the reliability of PBT. It’s also the material of choice for the construction of items such as solenoid valves, breaker current casings, high-voltage transformers, and ignition system components.
In the world of household appliances, PBT is essential. You’ll find it in hairdryers, electrical devices, fryers, toasters, irons, vacuum cleaner components, engine bodies, oven handles, computer cases, and various fixtures.
The versatile nature of PBT extends to the production of electrical parts, including DVD-ROMs, DVD-RAMs, camera components, binocular bodies, and more. Its exceptional dimensional stability even makes it suitable for manufacturing bicycle gears, heating system components, valves, pumps, enclosures, cages, bearings, and parts for various modes of transportation.
When it comes to automotive applications, molded polybutylene terephthalate plays a key role. It’s the material of choice for large car body parts, such as bumpers, wheel trims, exterior door handles, window drive enclosures, mirror housings, brackets, seat regulator parts, headlight reflectors, fuel filter housings, windshield wiper components, radiator grilles, and more.
Choose PBT rods for your diverse plastic needs, and experience the reliability and performance of this remarkable material across a wide spectrum of applications.
Mechanical Properties
| MECHANICAL PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Impact strength (Charpy) | 37 | kJ/m2 | max. 7,5J | DIN EN ISO 179-1eU |
| Compression strength | 22/41/77 | MPa | 1% / 2% / 5% | EN ISO 604 |
| Modulus of elasticity (flexural test) |
3400 | MPa | 2mm/min, 10 N | DIN EN ISO 178 |
| Flexural strength | 98 | MPa | 2mm/min, 10 N | DIN EN ISO 178 |
| Elongation at break | 9 | % | 50mm/min | DIN EN ISO 527-2 |
| Tensile strength at yield | 62 | MPa | 50mm/min | DIN EN ISO 527-2 |
| Tensile strength | 62 | MPa | 50mm/min | DIN EN ISO 527-2 |
| Notched impact strength (Charpy) | 4 | kJ/m2 | max. 7,5J | DIN EN ISO 179-1eA |
| Elongation at yield | 7 | % | 50mm/min | DIN EN ISO 527-2 |
| Ball indentation hardness | 147 | MPa | ISO 2039-1 | |
| Compression modulus | 1600 | MPa | 5mm/min, 10 N | EN ISO 604 |
| Modulus of elasticity (tensile test) |
3500 | MPa | 1mm/min | DIN EN ISO 527-2 |
Thermal Properties
| THERMAL PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Melting temperature | 224 | C | DIN EN ISO 11357 | |
| Service temperature | 110 | C | long term | NN |
| Thermal expansion (CLTE) | 8 | 10-5*1/K | 23-60°C, long. | DIN EN ISO 11359-1;2 |
| Service temperature | 200 | C | short term | NN |
| Thermal expansion (CLTE) | 10 | 10-5*1/K | 23-100°C, long. | DIN EN ISO 11359-1;2 |
| Glass transition temperature | 39 | C | DIN EN ISO 11357 |
Other Properties
| OTHER PROPERTIES | VALUE | UNIT | PARAMETER | NORM |
|---|---|---|---|---|
| Water absorption | 0.05 | % | 24h / 96h (23°C) | DIN EN ISO 62 |
| Flammability (UL94) | HB | – | corresponding to | DIN IEC 60695-11-10; |
| Resistance to hot water/ bases | – | – | – | |
| Resistance to weathering | – | – | NN |
