| About |
|---|
| Product Description | |
|---|---|
| Supplier | Chang Chun |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 250℃/2.16kg | 28 | cm³/10min | ISO 1133 |
| Mold shrinkage rate | |||
| MD：1.6 mm | 0.2 – 0.6 | % | ISO 527 |
| TD：1.6 mm | 0.8 – 1.6 | % | ISO 527 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| melting point | 225 | ℃ | DSC |
| Hot deformation temperature | |||
| 1.80 Mpa | 200 | ℃ | ISO 75 |
| 0.45 Mpa | 215 | ℃ | ISO 75 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.8 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile stress | 95 | MPa | ISO 527 |
| Tensile strain | 3.0 | % | ISO 527 |
| Tensile modulus | 5500 | MPa | ISO 527 |
| Bending stress | 145 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 6.0 | kJ/m² | ISO 179 |
| Charpy Unnotch Impact strength | |||
| 23℃ | 25 | kJ/m² | ISO 179 |
| Impact strength of cantilever beam notch | |||
| 23℃ | 4.5 | KJ/m² | ISO 180 |
| Notched impact strength of cantilever beam | |||
| 23℃ | 20 | KJ/m² | ISO 180 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | |||
| 2 mm | 20 | kV/mm | IEC 243 |
| Volume resistivity | 1.0E+15 | ohm·cm | IEC 60093 |
| Surface resistivity | 1.0E+13 | ohm | IEC 60093 |
| Arc resistance | 110 | sec | UL 746A |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| Cylinder temperature | 235 – 270 | ℃ | |
| Nozzle temperature | 240 – 265 | ℃ | |
| Mold temperature | 40 – 120 | ℃ | |
| Spray speed | 中等偏快 | ||
| Screw speed | 60 – 120 | rpm | |
| Injection pressure | 50 – 120 | MPa | |
| Maintain pressure | 30 – 80 | MPa | |
| Back pressure | 0 – 0.3 | MPa | |
| Notes |
|---|
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