Complaint
LEXAN BX7241 Polycarbonate (PC) is an injection moldable non-chlorinated/brominated, unfilled flame retardant grade that has good impact and processability. It has an MVR of 18 (260°C/2.16kg), UL94 [email protected], 5VA at 3.0mm rating and can be ideal for thin wall applications.
| Product Description | ||||
| LEXAN BX7241 Polycarbonate (PC) is an injection moldable non-chlorinated/brominated, unfilled flame retardant grade that has good impact and processability. It has an MVR of 18 (260°C/2.16kg), UL94 V[email protected]mm, 5VA at 3.0mm rating and can be ideal for thin wall applications. | ||||
| General | ||||
| Form | Resin Pellets | |||
Feature | High Impact Non-Chlorinated | Diffusive Non-Brominated & Non- Chlorinated Flame Retardant Thin Wall | ||
| UL Yellow Card E207780-102078504 | ||||
| Uses | Consumer | Electrical | ||
| Physical | Nominal Value | Test Method | ||
| Specific Gravity | 1.2 | ASTM D792 | ||
| Mold Shrinkage, Flow(3.2 mm) | 0.4 - 0.6 % | SABIC Method | ||
| Melt Flow Rate[MFR](260 °C;2.16 kgf) | 18 g/10min | ASTM D1238 | ||
| Water Absorption(23 °C;saturated) | 0.2 % | ISO 62-1 | ||
| Moisture Absorption(50% RH;23 °C) | 0.1 % | ISO 62 | ||
| Melt Volume Rate, MVR(2.16 kg;MVR at 260 °C) | 18 cm³/10 min | ISO 1133 | ||
| Mechanical | Nominal Value | Test Method | ||
| Izod Impact, Notched | ||||
| 23 °C | 690 J/m | ASTM D256 | ||
| 0 °C | 420 J/m | ASTM D256 | ||
| -30 °C | 190 J/m | ASTM D256 | ||
| 80*10*4;23 °C | 28 kJ/m² | ISO 180/1A | ||
| 80*10*4;0 °C | 11 kJ/m² | ISO 180/1A | ||
| 80*10*4;-30 °C | 11 kJ/m² | ISO 180/1A | ||
| Instrumented Dart Impact, Total Energy(23 °C) | 60 J | ASTM D3763 | ||
| Charpy Impact, Notched, Cut 23 °C;80*10*4 0 mm 0 °C;80*10*4 0 mm -30 °C;80*10*4 0 mm | 37 kJ/m² 12 kJ/m² 11 kJ/m² | ISO 179 1eA | ||
| Tensile Stress, Yield 50 mm/min;Type I 50 mm/min | 67 MPa 62 MPa | ASTM D638 ISO 527 |
| Tensile Stress, Break 50 mm/min;Type I 50 mm/min | 65 MPa 45 MPa | ASTM D638 ISO 527 |
| Tensile Strain, Yield 50 mm/min;Type I 50 mm/min | 4.4 % 4.2 % | ASTM D638 ISO 527 |
| Tensile Strain, Break 50 mm/min;Type I 50 mm/min | 100 % 90 % | ASTM D638 ISO 527 |
| Tensile Modulus 5 mm/min 1 mm/min | 2500 MPa 2500 MPa | ASTM D638 ISO 527 |
| Flexural Stress, Yield 1.3 mm/min;50 mm;span 2 mm/min | 107 MPa 99 MPa | ASTM D790 ISO 178 |
| Flexural Stress, break 1.3 mm/min;50 mm;span 2 mm/min | 105 MPa 98 MPa | ASTM D790 ISO 178 |
| Flexural Modulus 1.3 mm/min;50 mm;span 2 mm/min | 2450 MPa 2600 MPa | ASTM D790 ISO 178 |
| Thermal | Nominal Value | Test Method |
| UL Recognized ≥ 0.5 mm ≥ 0.5 mm ≥ 0.2 mm | V-0 V-1 V-2 | UL 94 |
| Glow Wire Flammability Index(0.75 mm) | 960 °C | IEC 60695-2-12 |
| Glow Wire Ignition Temperature [GWIT] 1 mm 1.5 mm 3 mm | 800 °C 825 °C 825 °C | IEC 60695-2-13 |
| Vicat Softening Temperature Rate B/50 Rate B/50 Rate B/120 | 111 °C 109 °C 112 °C | ASTM D1525 ISO 306 ISO 306 |
| Heat Deflection Temperature[HDT], Unannealed 0.45 MPa;3.2 mm 3.2 mm;1.82 MPa | 103 °C 93 °C | ASTM D648 |
| CTE, Flow -40 - 40 °C -40 - 40 °C | 5.9e-05 1/°C 5.9e-05 1/°C | ASTM E831 ISO 11359-2 |
| CTE, XFlow -40 - 40 °C -40 - 40 °C | 5.9e-05 1/°C 5.9e-05 1/°C | ASTM E831 ISO 11359-2 |
| Ball Pressure Test(75°C +/- 2°C) | Pass | IEC 60695-10-2 |
| Relative Temp Index, Elec | 80 °C | UL 746B |
| Relative Temp Index, Mechanical with Impact | 80 °C | UL 746B |
| Relative Temp Index, Mechanical without Impact | 80 °C | UL 746B |
| Electrical | Nominal Value | Test Method |
| Volume Resistivity | > 1.0E+16 ohms·cm | ASTM D257 |
| Surface Resistivity | > 2.E +15 ohms | ASTM D257 |
| Processing | Nominal Value |
| Drying Temperature<Injection> | 80 - 90 °C |
| Drying Time<Injection> | 2 - 4 hrs |
| Maximum Moisture Content<Injection> | 0.02 % |
| Melt Temperature<Injection> | 250 - 300 °C |
| Nozzle Temperature<Injection> | 250 - 300 °C |
| Front, Zone 3 Temperature<Injection> | 250 - 300 °C |
| Middle, Zone 2 Temperature<Injection> | 240 - 290 °C |
| Rear, Zone 1 Temperature<Injection> | 230 - 280 °C |
| Hopper Temperature<Injection> | 60 - 80 °C |
| Mold Temperature<Injection> | 60 - 85 °C |
| Vent Depth<Injection> | 0.03 - 0.075 mm |
