30 July 2025
A new PBT Dinadur solution for e-applications
Nordmann partner UBE Composites Europe has developed Dinadur PBT1S25 G30V0 H, a new, high-performance polybutylene terephthalate (PBT) that has been specially designed to meet the requirements of the electrical and electronics industry and e-mobility. The material contains 30% glass fiber, is heat-stabilized, halogen-free, flame-retardant and has a V0 UL94 certification for all colors.
An outstanding feature of Dinadur PBT1S25 G30V0 H is its exceptional creep resistance: with a Comparative Tracking Index (CTI) of 600 V according to IEC 60112, the material achieves the best possible rating – a decisive advantage for applications where electrical insulation and safety are paramount.
Technical highlights at a glance
- CTI 600 V – highest creep resistance for maximum safety
- Excellent insulation properties – ideal for high-voltage applications
- UL 94 V0 – flame retardant, halogen- and phosphorus-free
- Very good flowability – for complex geometries and miniaturization
- High toughness – mechanically resilient and durable
- Excellent dyeability – for individual design requirements
Technical data sheet
| PBT1S25 G30V0 H | Units | Method | D.A.M. Value |
| Tensile modulus (1 mm/min) | MPa | ISO 527 | 11000 |
| Stress at break (5 mm/min) | MPa | ISO 527 | 100 |
| Strain at break (5 mm/min) | % | ISO 527 | 2,2 |
| Flexural modulus (2 mm/min) | MPa | ISO 178 | 12200 |
| Flexural strength (2 mm/min) | MPa | ISO 178 | 165 |
| Charpy notched impact strength (23°C) | kJ/m2 | ISO 179/1eA | 9 |
| Charpy unnotched impact strength (23°C) | kJ/m2 | ISO 179/1eU | 40 |
| Melt flow index M.F.I. (260°C, 2.16 kg) | g/10min | ISO 1133 | 5 |
| Heat deflection temperature HDT (1.80 MPa) | °C | ISO 75-A | 207 |
| Flammability classification (0.4 / 0.8 mm) | V0-V1-V2VHB | UL 94 | V0 |
| Glow wire flammability index, GWFI (1 / 2 mm) | °C | UNE-EN 60695-2-13 | 960 |
| Glow wire ignition test, GWIT (1 / 2 mm) | °C | UNE-EN 60695-2-13 | 775 |
| Comparative Tracking Index (CTI) | V | IEC 60112 | 600 |
Typical areas of application
- EV chargers and connectors
- Electronic components and devices
- High-voltage connectors
- EV battery components
- Miniaturized electronics
Dinadur PBT1S25 G30V0 H offers a unique combination of electrical safety and ease of processing – setting new standards for engineering plastics in safety-critical applications.
For more information, please contact:
Nils Gerlach
Senior Technical Sales & Product Manager | Thermoplastics
Nordmann, Rassmann GmbHDistributed in:
Europe.
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A new PBT Dinadur solution for e-applications
Nordmann partner UBE Composites Europe has developed Dinadur PBT1S25 G30V0 H, a new, high-performance polybutylene terephthalate (PBT) that has been specially designed to meet the requirements of the electrical and electronics industry and e-mobility. The material contains 30% glass fiber, is heat-stabilized, halogen-free, flame-retardant and has a V0 UL94 certification for all colors.
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