| About |
|---|
| LEXAN FXE4271L is a 10% glass filled, impact modified polycarbonate with excellent light-shield capability. It is designed for high flow, superior surface appearance, enhance release and good impact ductility. FXE4271L is available in white color only and ideal for light-shield applications.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Good surface appearance,High impact resistance,High liquidity,Good stripping performance |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.25 | g/cm³ | ASTM D792, ISO 1183 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 15 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 14.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | Internal Method | ||
| MD：3.2 mm | 0.20 to 0.30 | % | |
| TD：3.2 mm | 0.40 to 0.50 | % | |
| Water absorption rate | ISO 62 | ||
| Saturation, 23 ℃ | 0.13 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.040 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3850 | MPa | ASTM D638 |
| tensile strength | ASTM D638 | ||
| yield | 48.0 | MPa | |
| fracture | 37.0 | MPa | |
| Tensile strain | ASTM D638 | ||
| yield | 4.0 | % | |
| fracture | 11 | % | |
| Bending modulus | |||
| 50 mm span | 3600 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 50 mm span | 87.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 210 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 23℃ | 1900 | J/m | ASTM D4812 |
| Dart impact equipped with measuring instruments | |||
| 23℃，Total Energy | 36.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed, 3.2 mm | 127 | ℃ | |
| 1.8 MPa, unannealed, 3.2 mm | 120 | ℃ | |
| Vicat Softening Temp | |||
| B120 | 132 | ℃ | ISO 306/B120 |
| Relative temperature index | 80.0 | ℃ | UL 746 |
| Electrical performance | 80.0 | ℃ | UL 746 |
| Impact mechanical performance | 80.0 | ℃ | UL 746 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Recommended injection volume | Nominal value | Unit | Test method |
| Drying temperature | 121 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Drying time, maximum | 48 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Barrel rear temperature | 266 to 288 | °C | |
| Barrel middle temperature | 277 to 299 | °C | |
| Barrel front temperature | 288 to 310 | °C | |
| Nozzle temperature | 282 to 304 | °C | |
| Processing (melt) temperature | 288 to 310 | °C | |
| Mold temperature | 71.1 to 93.3 | °C | |
| Back pressure | 0.345 to 0.689 | MPa | |
| Screw speed | 40 to 70 | rpm | |
| Vent depth | 0.025 to 0.076 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 in/min |
| 3. Type I, 0.20 in/min |
| 4. 0.051 in/min |
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