| About |
|---|
| LONGLITE® PBT 2000是难燃级PBT |
| Product Description | |
|---|---|
| Supplier | Chang Chun |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | High liquidity,V-0 |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| tensile strength | 49-68.6 | MPa | ASTM D638 |
| Tensile strain | 68.6-98.1 | % | ASTM D638 |
| bending strength | 73.5-83.4 | MPa | ASTM D790 |
| Bending modulus | ≥1961.33 | MPa | ASTM D790 |
| Rockwell hardness | |||
| M-level | 88 | ASTM D785 | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 24.5-34.3 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| melting point | 225 | ℃ | DSC |
| Hot deformation temperature | |||
| 1.8 MPa | 65 | ℃ | ASTM D648 |
| 0.45 MPa | 165 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | 9E-5 | /℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric constant | |||
| 60 Hz | 3.2 | ASTM D150 | |
| Dissipation factor | |||
| 60 Hz | 0.001 | ASTM D150 | |
| Volume resistivity | 10^15 | ohms·cm | ASTM D257 |
| Surface resistivity | 10^13 | ohms/sq | ASTM D257 |
| Dielectric strength | ＞20 | kV/mm | ASTM D149 |
| Arc resistance | 120 | sec | ASTM D495 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.38-1.46 | g/cm³ | ASTM D792 |
| Water absorption rate | |||
| 24hr | 0.05 | % | ASTM D570 |
| Shrinkage rate | |||
| TD | 1.1-1.9 | % | ASTM D955 |
| MD | 1.3-2.1 | % | ASTM D955 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | V-0 | class | UL 94 |
| Notes |
|---|
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