| About |
|---|
| LEXAN EXL8454 is a PC/siloxane copolymer resin with medium flow, excellent low temperature impact and 50% post consumer recycle content. Limited availability and restricted color only. Higher color variability and contamination risks including black specs needs to be considered before approval for use in applications.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Moderate liquidity,Copolymer,low-temperature impact resistance,HB |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 10 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.40 to 0.80 | % | Internal Method |
| Water absorption rate | |||
| 23℃，24hr | 0.15 | % | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2200 | MPa | ASTM D638 |
| tensile strength | ASTM D638 | ||
| yield | 57.0 | MPa | |
| fracture | 55.0 | MPa | |
| Tensile strain | ASTM D638 | ||
| yield | 6.0 | % | |
| fracture | 100 | % | |
| Bending modulus | |||
| 50 mm span | 2100 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 50 mm span | 90.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -40℃ | 54 | kJ/m² | |
| -30℃ | 58 | kJ/m² | |
| -30℃ | 27 | kJ/m² | |
| 23℃ | 65 | kJ/m² | |
| 23℃ | 67 | kJ/m² | |
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -40℃ | 650 | J/m | |
| -30℃ | 700 | J/m | |
| 23℃ | 800 | J/m | |
| Dart impact equipped with measuring instruments | |||
| 23℃，Total Energy | 70.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 3.2 mm | 123 | ℃ | ASTM D648 |
| Vicat Softening Temp | 145 | ℃ | ASTM D1525 11 |
| Linear coefficient of thermal expansion | ASTM E831 | ||
| MD：-40~40℃ | 6.0E-5 | 1/℃ | |
| TD：-40~40℃ | 6.0E-5 | 1/℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+15 | ohms | ASTM D257 |
| Volume resistivity | > 1.0E+15 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 0.8 mm in oil | 15 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 MHz | 3.00 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 9.3E-3 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.75 mm | HB | UL 94 | |
| Glowing wire flammability index | IEC 60695-2-12 | ||
| 1.0 mm | 850 | ℃ | |
| 3.0 mm | 960 | ℃ | |
| Igniting temperature of the hot wire | IEC 60695-2-13 | ||
| 1 mm | 875 | ℃ | |
| 3 mm | 875 | ℃ |
| Process Conditions | |||
|---|---|---|---|
| injection | 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 | % | |
| Recommended injection volume | 40 to 60 | % | |
| Barrel rear temperature | 271 to 293 | °C | |
| Barrel middle temperature | 282 to 304 | °C | |
| Barrel front temperature | 293 to 316 | °C | |
| Nozzle temperature | 288 to 310 | °C | |
| Processing (melt) temperature | 293 to 316 | °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 |
|---|
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |