| About |
|---|
| Product Description | |
|---|---|
| Supplier | Chang Chun |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.48 | g/cm³ | ASTM D790 |
| Shrinkage rate | |||
| MD：1.6 mm | 0.10-0.70 | % | ASTM D955 |
| TD： 1.6 mm | 1.0-1.8 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.030 | % | ASTM D570 |
| 23℃，24hr | 0.030 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 63.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 3.4 | % | ISO 527-2 |
| Bending modulus | 5800 | MPa | ASTM D790 |
| bending strength | 112 | MPa | ASTM D790 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 205 | ℃ | ASTM D648 |
| Melting temperature | 225-260 | ℃ | DSC |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+12 | ohms | ASTM D257 |
| Volume resistivity | 1.0E+15 | ohm·cm | ASTM D257 |
| Dielectric strength | |||
| 3 mm | 27 | kV/mm | ASTM D149 |
| other | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.60 mm | HB | UL 94 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 6.4mm | 38 | J/m | ASTM D256 |
| Notes |
|---|
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