| About |
|---|
| LEXAN™ 121 resin是无定形非卤素聚碳酸酯树脂。具有高机械，光学，电气和热性能。提供抗冲击性，出色的尺寸稳定性和透明度。经过UL认证，（94V-2火焰等级3）。通过注射成型加工，用于小巧复杂的零件。 |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | High impact resistance,Good Dimensional Stability |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| tensile strength | |||
| Fracture, Type I, 50 mm/min | 70 | MPa | ASTM D638 |
| Type I, 50 mm/min | 63 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, Type I, 50 mm/min | 125 | % | ASTM D638 |
| Type I, 50 mm/min | 7 | % | ASTM D638 |
| bending strength | |||
| Yield, 1.30 mm/min, 50 mm span | 96.138 | MPa | ASTM D790 |
| Bending modulus | |||
| 1.3 mm / min，50mm跨距 | 2344.59 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 118 | ASTM D785 | |
| M-level | 70 | ASTM D785 | |
| Taber wear and tear | |||
| CS-17，1kg | 10 | mg/1000cy | ASTM D1044 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Notched impact strength of cantilever beam | |||
| 23℃ | 3194.8 | J/m | ASTM D4812 |
| Impact strength of cantilever beam notch | |||
| 23℃ | 686.0 | J/m | ASTM D256 |
| Tensile impact | |||
| S-shaped | 557 | cm-kgf/cm² | ASTM D 1822 |
| Falling dart impact | |||
| D 3029，23℃ | 1728 | cm-kgf/cm | ASTM D 3029 |
| Instrument impact energy peak | |||
| 23℃ | 633 | cm-kgf/cm | ASTM D 3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | 154 | ℃ | ASTM D1525 |
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 3.2 mm | 129 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 3.2 mm | 137 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | |||
| MD：-40~95℃ | 6.84E-05 | 1/℃ | ASTM E831 |
| specific heat | 1.25 | J/g-℃ | ASTM C 351 |
| Thermal conductivity coefficient | 0.25 | W/m/℃ | ASTM C 177 |
| Relative temperature index | |||
| Non mechanical impact performance | 130 | ℃ | UL 746B |
| Electrical performance | 130 | ℃ | UL 746B |
| Impact mechanical performance | 130 | ℃ | UL 746B |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.2 | ASTM D792 | |
| Specific volume | 0.83 | cm³/g | ASTM D 792 |
| Water absorption rate | |||
| 24hr | 0.15 | % | ASTM D570 |
| Water absorption rate | |||
| Equilibrium, 23 ℃ | 0.35 | % | ASTM D570 |
| Equilibrium, 100 ℃ | 0.58 | % | ASTM D570 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.5 – 0.7 | % | Internal Method |
| Melt Flow Rate | |||
| 300℃，1.20kg | 17.5 | g/10min | ASTM D1238 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Transmittance | |||
| 2.54 mm | 88 | % | ASTM D1003 |
| Haze | |||
| 2.54 mm | 1 | % | ASTM D1003 |
| Refractive index | 1.586 | ASTM D542 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.E + 17 | ohms·cm | ASTM D257 |
| Insulation strength | |||
| 3.2 mm in air | 14.9 | kV/mm | ASTM D 149 |
| Relative permittivity | |||
| 50-60 Hz | 3.17 | ASTM D150 | |
| Relative permittivity | |||
| 1 MHz | 2.96 | ASTM D150 | |
| Dissipation factor | |||
| 50-60 Hz | 0.0009 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 0.01 | ASTM D150 | |
| Hot wire ignition {PLC} | 2 | PLC Code | UL 746A |
| High voltage arc marking rate {PLC} | 2 | PLC Code | UL 746A |
| High current arc ignition (surface {PLC}) | 1 | PLC Code | UL 746A |
| Compared to the leakage tracing index | 2 | PLC Code | UL 746A |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 94HB flame level | 0.71 | mm | UL 94 |
| Radiation panel list | 是 | UL测试 | |
| ultraviolet radiation | |||
| Water exposure/immersion | F2 | UL 746C |
| Process Conditions | |||
|---|---|---|---|
| injection molding | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 3 – 4 | hrs | |
| Drying time (cumulative) | 48 | hrs | |
| Maximum moisture content | 0.02 | % | |
| Melt temperature | 280 – 305 | °C | |
| Nozzle temperature | 275 – 300 | °C | |
| Front Section Zone 3 Temperature | 280 – 305 | °C | |
| Temperature in Zone 2 of the middle section | 270 – 295 | °C | |
| Temperature in Zone 1 of the rear section | 260 – 280 | °C | |
| Mold temperature | 70 – 95 | °C | |
| Back pressure | 0.3 – 0.7 | MPa | |
| Screw speed | 40 – 70 | rpm | |
| Shoot to cylinder size | 40 – 60 | % | |
| Depth of exhaust groove | 0.025-0.076 | 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. |