| About |
|---|
| Zenite® 7145L is a 45% glass fiber reinforced and lubricated liquid crystal polymer for injection molding. It has excellent impact resistance and high heat deflection temperature.&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | 液态聚合物 |
| Material Status | Commercial: Active |
| Features | High impact resistance,High Heat Resistance,Lubricating,V-0 |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| IMPACT | Nominal value | Unit | Test method |
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 10 | kJ/m² | ISO 179/1eA |
| 23℃ | 10 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 13 | kJ/m² | ISO 179/1eU |
| 23℃ | 18 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 295 | ℃ | ISO 75-2/A |
| Melting temperature | 355 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| TD | 2.4E-5 | 1/℃ | ISO 11359-2 |
| MD | 7.0E-6 | 1/℃ | ISO 11359-2 |
| 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 | 36 | kV/mm | IEC 60243-1 |
| Relative permittivity | IEC 60250 | ||
| 100 Hz | 4.80 | IEC 60250 | |
| 1 MHz | 4.40 | IEC 60250 | |
| Dissipation factor | IEC 60250 | ||
| 100 Hz | 0.013 | IEC 60250 | |
| 1 MHz | 0.024 | IEC 60250 | |
| Compared to the leakage tracing index | 200 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | V-0 | UL 94 | |
| Extreme oxygen index | 45 | % | ISO 4589-2 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 18000 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| fracture | 120 | MPa | ISO 527-2/1A/5 |
| Tensile strain | |||
| fracture | 0.90 | % | ISO 527-2/1A/5 |
| Bending modulus | |||
| 23℃ | 17800 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 180 | MPa | ISO 178 |
| Rockwell hardness | |||
| M-level | 58 | ISO 2039-2 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.74 | g/cm³ | ISO 1183 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 0.50 | % | ISO 294-4 |
| MD | 0.050 | % | ISO 294-4 |
| Density of Melt | 1.450 | g/cm³ | Internal Method |
| Specific Heat Capacity of Melt | 1500 | J/kg/℃ | Internal Method |
| Thermal Conductivity of Melt | 0.32 | W/m/K | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 150 | °C | |
| Drying time | 3.0 | hr | |
| Recommended maximum moisture content | 0.010 | % | |
| Hopper temperature | 20 to 30 | °C | |
| Barrel rear temperature | 355 to 365 | °C | |
| Barrel middle temperature | 360 to 370 | °C | |
| Barrel front temperature | 360 to 370 | °C | |
| Nozzle temperature | 360 to 370 | °C | |
| Processing (melt) temperature | 360 to 370 | °C | |
| Mold temperature | 80 to 120 | °C | |
| Injection pressure | 50.0 to 150 | MPa | |
| Hold pressure | 50.0 to 150 | MPa | |
| Back pressure | 0.00 to 3.00 | MPa | |
| Ejection temperature | 275 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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