| About |
|---|
| Celanex 2003HR is an unfilled polybutylene terephthalate which has an excellent hydrolysis resistance, mechanical properties and processability&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Hydrolysis stability |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.31 | g/cm³ | ASTM D792, ISO 1183 |
| Shrinkage rate | |||
| MD | 1.8 to 2.0 | % | ASTM D955 |
| TD | 1.8 to 2.0 | % | ISO 294-4 |
| MD | 1.8 to 2.0 | % | ISO 294-4 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.14 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2700 | MPa | ISO 527-2/1A/1 |
| tensile strength | ISO 527-2/1A/50 | ||
| yield | 60.0 | MPa | |
| fracture | 55.0 | MPa | |
| Tensile strain | ISO 527-2/1A/50 | ||
| yield | 4.0 | % | |
| fracture | 25 | % | |
| Nominal tensile fracture strain | 40 | % | ISO 527-2/1A/50 |
| Bending modulus | |||
| 23℃ | 2550 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 80.0 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 4.3 | kJ/m² | |
| 23℃ | 4.3 | kJ/m² | |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 35 | kJ/m² | |
| 23℃ | 110 | kJ/m² | |
| Impact strength of cantilever beam notch | |||
| 23℃ | 4.0 | kJ/m² | ISO 180-1A |
| Notched impact strength of cantilever beam | ISO 180/1U | ||
| -30℃ | 33 | kJ/m² | |
| 23℃ | 31 | kJ/m² |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 150 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 55.0 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| B50 | 190 | ℃ | ISO 306 |
| Melting temperature | 225 | ℃ | ISO 11357-3, ASTM D3418 |
| Linear coefficient of thermal expansion | ISO 11359-2 | ||
| MD | 1.2E-4 | 1/℃ | |
| TD | 1.1E-4 | 1/℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+15 | ohms | IEC 60093 |
| Volume resistivity | > 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | 15 | kV/mm | IEC 60243-1 |
| Relative permittivity | |||
| 1 MHz | 3.20 | IEC 60250 | |
| Dissipation factor | |||
| 1 MHz | 0.020 | IEC 60250 | |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 130 | °C | |
| Drying time | 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Proposed maximum recycled material ratio | 25 | % | |
| Hopper temperature | 20.0 to 50.0 | °C | |
| Barrel rear temperature | 230 to 240 | °C | |
| Barrel middle temperature | 235 to 250 | °C | |
| Barrel front temperature | 235 to 250 | °C | |
| Nozzle temperature | 250 to 260 | °C | |
| Processing (melt) temperature | 235 to 260 | °C | |
| Mold temperature | 65.0 to 93.0 | °C | |
| Injection speed | 中等偏快 | ||
| Back pressure | 0.00 to 0.345 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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