| About |
|---|
| LEXAN 1278R is a medium viscosity, 20% glass reinforced, flame retardant grade, offering a very high rigidity. It is especially designed for applications like industrial enclosures and fuse boxes requiring a low knock-out strength for moulded-in membranes.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Flame Characteristics,V-1 |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.35 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 12.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| MD | 0.20 to 0.50 | % | Internal Method |
| Water absorption rate | ISO 62 | ||
| Saturation, 23 ℃ | 0.29 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| -30℃ | 5.0 | kJ/m² | ISO 179/1eA |
| -20℃ | 5.0 | kJ/m² | ISO 179/2C |
| 23℃ | 6.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 8.0 | kJ/m² | ISO 179/2C |
| Charpy Unnotch Impact strength | |||
| -30℃ | 40 | kJ/m² | ISO 179/1eU |
| -30℃ | 5.0 | kJ/m² | ISO 179/2U |
| 23℃ | 40 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -30℃ | 6.0 | kJ/m² | |
| 23℃ | 7.0 | kJ/m² | |
| Notched impact strength of cantilever beam | ISO 180/1U | ||
| -30℃ | 35 | kJ/m² | |
| 23℃ | 35 | kJ/m² |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed, 100 mm span | 140 | ℃ | ISO 75-2/Be |
| 1.8 MPa, unannealed, 100 mm span | 134 | ℃ | ISO 75-2/Ae |
| Vicat Softening Temp | |||
| A50 | 151 | ℃ | ISO 306/A50 |
| B50 | 141 | ℃ | ISO 306 |
| B120 | 143 | ℃ | ISO 306/B120 |
| Ball pressure test | |||
| 125℃ | Pass | IEC 60695-10-2 | |
| Linear coefficient of thermal expansion | |||
| MD：23~80℃ | 3.0E-5 | 1/℃ | ISO 11359-2 |
| Thermal conductivity coefficient | 0.22 | W/m/K | ISO 8302 |
| Relative temperature index | 120 | ℃ | UL 746 |
| Electrical performance | 120 | ℃ | UL 746 |
| Impact mechanical performance | 120 | ℃ | UL 746 |
| 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 | |||
| 3.2 mm in oil | 16 | kV/mm | IEC 60243-1 |
| Relative permittivity | IEC 60250 | ||
| 50 Hz | 3.00 | ||
| 60 Hz | 3.00 | ||
| 1 MHz | 2.90 | ||
| Dissipation factor | IEC 60250 | ||
| 50 Hz | 1.0E-3 | ||
| 60 Hz | 1.0E-3 | ||
| 1 MHz | 0.010 | ||
| Compared to the leakage tracing index | IEC 60112 | ||
| CTI | 150 | V | |
| Solution B | 125 | V |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | V-1 | UL 94 | |
| Glowing wire flammability index | IEC 60695-2-12 | ||
| 1.0 mm | 850 | ℃ | |
| 3.2 mm | 960 | ℃ | |
| Extreme oxygen index | 34 | % | ISO 4589-2 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Ball hardness | |||
| H358/30 | 160 | MPa | ISO 2039-1 |
| Tensile modulus | 5200 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 80.0 | MPa | ISO 527-2/5 |
| Tensile strain | |||
| fracture | 2.0 | % | ISO 527-2/5 |
| Bending modulus | 5000 | MPa | ISO 178 |
| bending strength | 120 | MPa | ISO 178 |
| Taber abraser | |||
| 1000 cycles, 1000 g, CS-17 wheels | 17.0 | mg | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Hopper temperature | 60.0 to 80.0 | °C | |
| Barrel rear temperature | 260 to 280 | °C | |
| Barrel middle temperature | 270 to 290 | °C | |
| Barrel front temperature | 280 to 310 | °C | |
| Nozzle temperature | 270 to 290 | °C | |
| Processing (melt) temperature | 280 to 310 | °C | |
| Mold temperature | 80.0 to 110 | °C | |
| 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. |