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Unfilled PBT Material offers excellent thermal stability, balanced mechanical properties, and superior chemical resistance. Designed for electrical, automotive, and industrial applications, it ensures reliable processability, durability, and long-term performance.
Product Overview
Unfilled PBT material is a high-performance engineering plastic known for its excellent flowability, making it ideal for injection molding and precision processing. The material is free from any reinforcing fillers, ensuring exceptional flow characteristics and is widely used in applications requiring high surface quality and precision, such as switch knobs, fastening kits, and automotive lamp housings.
Key Features
- High Flowability: The material has excellent flow properties, making it easy to mold into complex and intricate shapes, ideal for precision injection molding.
- Unfilled: Without any reinforcing fillers, this material offers superior moldability and a smooth surface finish, suitable for applications where aesthetic and surface quality are crucial.
- Good Mechanical Properties: Provides good impact resistance and rigidity, making it suitable for applications requiring moderate mechanical load-bearing capabilities.
- Excellent Thermal Stability: Maintains stable physical properties under high-temperature conditions, making it suitable for high-temperature applications.
Applications
- Switch Knobs: Perfect for manufacturing various switch knobs, offering smooth operation and excellent appearance.
- Fastening Kits: Used in producing fastening kits for automotive and other machinery, providing durability and stability.
- Automotive Lamp Housings: Suitable for automotive lamp housings, ensuring stability and reliability over long-term use.
| Test Properties | Unit | Test Method | Test Condition | Typical Value |
| Physical Properties | ||||
| Density | g/cm³ | ISO 1183 | 1.31 | |
| Filler Content | % | ISO 1172 | - | |
| Mold Shrinkage | % | ISO 294 | Parallel: 0.9, Vertical: 1.6 | |
| Mechanical Properties | ||||
| Tensile Strength | MPa | ISO 527 | Type I sample, 50mm/min | 55 |
| Elongation at Break | % | ISO 527 | Type I sample, 50mm/min, Gauge length 50mm | 130 |
| Flexural Strength | MPa | ISO 178 | 23℃, 10mm/min | 80 |
| Flexural Modulus | MPa | ISO 178 | 23℃, 10mm/min | 2200 |
| Izod Impact Strength (Notched) | KJ/m² | ISO 180 | 23℃ | 3 |
| Charpy Impact Strength (Unnotched) | KJ/m² | ISO 179 | 23℃ | - |
| Thermal Properties | ||||
| Melting Point | ℃ | ISO 11357-1 | 223 | |
| Heat Deflection Temperature (HDT) | ℃ | ISO 75 | 0.45MPa: 155, 1.8MPa: 60 | |
| Flammability | ||||
| UL Flammability Class | UL-94 HB | |||
| Electrical Properties | ||||
| Surface Resistivity | Ω | IEC60093 | 10000000000000 | |
| Volume Resistivity | Ω·cm | IEC60093 | 1000000000000000 |
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