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PC Makrolon® 2258 Covestro - Polycarbonates
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | Covestro - Polycarbonates/Makrolon® 2258 |
|---|---|---|---|
| Impact strength of simply supported beam without notch | -30°C | ISO 179/1eU | NoBreak |
| Multi axis Instrumented Impact Energy | -30°C | ISO 6603-2 | 60.0 J |
| Impact strength of simply supported beam without notch | 23°C | ISO 179/1eU | NoBreak |
| Impact strength of cantilever beam gap | 23°C,局部断裂 | ISO 7391 | 55 kJ/m² |
| Charpy Notched Impact Strength | -30°C,完全断裂 | ISO 7391 | 12 kJ/m² |
| Impact strength of simply supported beam without notch | -60°C | ISO 179/1eU | NoBreak |
| Multi axis Instrumented Impact Energy | 23°C | ISO 6603-2 | 55.0 J |
| Multi axis Instrumented Peak Impact Force | 23°C | ISO 6603-2 | 4900 N |
| Charpy Notched Impact Strength | 23°C,局部断裂 | ISO 7391 | 55 kJ/m² |
| Impact strength of cantilever beam gap | -30°C,完全断裂 | ISO 7391 | 12 kJ/m² |
| Multi axis Instrumented Peak Impact Force | -30°C | ISO 6603-2 | 5900 N |
| hardness | Test Condition | Test Method | Covestro - Polycarbonates/Makrolon® 2258 |
|---|---|---|---|
| ball-indentation hardness | ISO 2039-1 | 115 MPa |
| Electrical performance | Test Condition | Test Method | Covestro - Polycarbonates/Makrolon® 2258 |
|---|---|---|---|
| dielectric strength | 23°C,1.00mm | IEC 60243-1 | 34 kV/mm |
| relative permittivity | 23°C,1MHz | IEC 60250 | 3.00 |
| Volume resistivity | 23°C | IEC 60093 | 1E+16 ohms·cm |
| relative permittivity | 23°C,100Hz | IEC 60250 | 3.10 |
| Surface Resistivity | IEC 60093 | 1E+16 ohms | |
| Compared to the Leakage Tracking Index (CTI) | 解决方案A | IEC 60112 | PLC 2 |
| Dissipation Factor | 23°C,100Hz | IEC 60250 | 5E-04 |
| 23°C,1MHz | IEC 60250 | 9E-03 |
| Mechanical properties | Test Condition | Test Method | Covestro - Polycarbonates/Makrolon® 2258 |
|---|---|---|---|
| tensile strength | 屈服,23°C | ISO 527-2/50 | 65.0 MPa |
| Flexural modulus | 23°C | ISO 178 | 2350 MPa |
| Bending Strain | 23°C | ISO 178 | 7.1 % |
| Tensile strain | 屈服,23°C | ISO 527-2/50 | 6.0 % |
| Tensile creep modulus | 1hr | ISO 899-1 | 2100 MPa |
| Nominal tensile fracture strain | 23°C | ISO 527-2/50 | >50 % |
| tensile strength | 断裂,23°C | ISO 527-2/50 | 60.0 MPa |
| Tensile strain | 断裂,23°C | ISO 527-2/50 | 130 % |
| Tensile modulus | 23°C | ISO 527-2/1 | 2400 MPa |
| Tensile creep modulus | 1000hr | ISO 899-1 | 1700 MPa |
| bending strength | 3.5%Strain,23°C | ISO 178 | 73.0 MPa |
| 23°C | ISO 178 | 97.0 MPa |
| optical performance | Test Condition | Test Method | Covestro - Polycarbonates/Makrolon® 2258 |
|---|---|---|---|
| transmissivity | 1000µm | ISO 13468-2 | 89.0 % |
| 2000µm | ISO 13468-2 | 89.0 % | |
| Haze ratio | 3000µm | ISO 14782 | <0.80 % |
| transmissivity | 3000µm | ISO 13468-2 | 88.0 % |
| refractive index | ISO 489 | 1.586 | |
| transmissivity | 4000µm | ISO 13468-2 | 87.0 % |
| flammability | Test Condition | Test Method | Covestro - Polycarbonates/Makrolon® 2258 |
|---|---|---|---|
| UL flame retardant rating | 0.75mm | UL 94 | V-2 |
| FlashIgnitionTemperature | ASTM D1929 | 480 °C | |
| Hot filament ignition temperature | 3.0mm | IEC 60695-2-13 | 900 °C |
| 1.5mm | IEC 60695-2-13 | 875 °C | |
| SelfIgnitionTemperature | ASTM D1929 | 550 °C | |
| UL flame retardant rating | 2.9mm | UL 94 | HB |
| Hot filament ignition temperature | 0.75mm | IEC 60695-2-13 | 875 °C |
| physical property | Test Condition | Test Method | Covestro - Polycarbonates/Makrolon® 2258 |
|---|---|---|---|
| Shrinkage rate | TD | ISO 2577 | 0.50to0.70 % |
| density | 23°C | ISO 1183 | 1.20 g/cm³ |
| Apparent density | ISO 60 | 0.66 g/cm³ | |
| Shrinkage rate | TD:2.00mm3 | ISO 294-4 | 0.65 % |
| Water absorption rate | 平衡,23°C,50%RH | ISO 62 | 0.12 % |
| Shrinkage rate | MD | ISO 2577 | 0.50to0.70 % |
| Water absorption rate | 饱和,23°C | ISO 62 | 0.30 % |
| Melt volume flow rate | 300°C/1.2kg | ISO 1133 | 34.0 cm³/10min |
| Shrinkage rate | MD:2.00mm3 | ISO 294-4 | 0.65 % |
| melt mass-flow rate | 300°C/1.2kg | ISO 1133 | 37 g/10min |
| Thermal performance | Test Condition | Test Method | Covestro - Polycarbonates/Makrolon® 2258 |
|---|---|---|---|
| vicat | -- | ISO 306/B120 | 146 °C |
| Linear coefficient of thermal expansion | MD：23到55°C | ISO 11359-2 | 6.5E-05 cm/cm/°C |
| RTI Imp | 1.5mm | UL 746 | 115 °C |
| Heat distortion temperature | 0.45MPa,未退火，HDT | ISO 75-2/B | 137 °C |
| thermal conductivity | 23°C | ISO 8302 | 0.20 W/m/K |
| Linear coefficient of thermal expansion | TD：23to55°C | ISO 11359-2 | 6.5E-05 cm/cm/°C |
| RTI Str | 1.5mm | UL 746 | 125 °C |
| Heat distortion temperature | 1.8MPa,未退火，HDT | ISO 75-2/A | 124 °C |
| vicat | -- | ISO 306/B50 | 145 °C |
| RTI Elec | 1.5mm | UL 746 | 125 °C |
| ball-indentation hardness | 136°C | IEC 60695-10-2 | Pass |
| Glass Transition Temperature | ISO 11357-2 | 145 °C |
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