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Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PC 6557 BK COVESTRO GERMANY
Makrolon®
Electrical field,Electronic field,Industrial applications
Medium viscosity
UL
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Plastic Datasheets
| Supplementary Information | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| Electrolytic corrosion | 23°C | IEC 60426 | A1 |
| hardness | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| Ball Pressure Test | ISO 2039-1 | 115 Mpa |
| film | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| GasPermeation | CarbonDioxide:23°C,25.4μm | ISO 2556 | 16900 cm³/m²/bar/24hr |
| Oxygen:23°C,100.0μm | ISO 2556 | 650 cm³/m²/bar/24hr | |
| CarbonDioxide:23°C,100.0μm | ISO 2556 | 3800 cm³/m²/bar/24hr | |
| Nitrogen:23°C,100.0μm | ISO 2556 | 120 cm³/m²/bar/24hr | |
| Nitrogen:23°C,25.4μm | ISO 2556 | 510 cm³/m²/bar/24hr | |
| Oxygen:23°C,25.4μm | ISO 2556 | 2760 cm³/m²/bar/24hr | |
| Water vapor permeability | 23°C,85%RH,100μm | ISO 15106-1 | 15 g/m²/24hr |
| thermal performance | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| Ball Pressure Test | 135°C | IEC 60695-10-2 | Pass |
| Glass transition temperature | ISO 11357-2 | 144 °C | |
| Hot deformation temperature | 0.45MPa,Unannealed | ISO 75-2/B | 136 °C |
| 1.8MPa,Unannealed | ISO 75-2/A | 124 °C | |
| Linear coefficient of thermal expansion | MD：23to55°C | ISO 11359-2 | 6.5E-05 cm/cm/°C |
| TD：23to55°C | ISO 11359-2 | 6.5E-05 cm/cm/°C | |
| RTI Elec | 1.5mm | UL 746 | 125 °C |
| RTI Imp | 1.5mm | UL 746 | 115 °C |
| RTI Str | 1.5mm | UL 746 | 125 °C |
| thermal conductivity | 23°C | ISO 8302 | 0.20 W/m/K |
| Vicat softening temperature | -- | ISO 306/B120 | 144 °C |
| -- | ISO 306/B50 | 143 °C |
| mechanical properties | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| Bending modulus | 23°C | ISO 178 | 2400 Mpa |
| Bending strain | 23°C | ISO 178 | 7.0 % |
| bending strength | 23°C | ISO 178 | 99.0 Mpa |
| 3.5%Strain,23°C | ISO 178 | 75.0 Mpa | |
| Nominal tensile fracture strain | 23°C | ISO 527-2/50 | >50 % |
| Tensile creep modulus | 1hr | ISO 899-1 | 2200 Mpa |
| 1000hr | ISO 899-1 | 1900 Mpa | |
| Tensile modulus | 23°C | ISO 527-2/1 | 2400 Mpa |
| Tensile strain | Yield,23°C | ISO 527-2/50 | 6.1 % |
| Break,23°C | ISO 527-2/50 | 130 % | |
| tensile strength | Break,23°C | ISO 527-2/50 | 70.0 Mpa |
| Yield,23°C | ISO 527-2/50 | 66.0 Mpa |
| Electrical performance | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| Compared to the anti leakage trace index | SolutionB | IEC 60112 | PLC 4 |
| SolutionA | IEC 60112 | PLC 3 | |
| Dielectric strength | 23°C,1.00mm | IEC 60243-1 | 34 KV/mm |
| Dissipation factor | 23°C,100Hz | IEC 60250 | 8E-04 |
| 23°C,1MHz | IEC 60250 | 9E-03 | |
| Relative permittivity | 23°C,1MHz | IEC 60250 | 3.00 |
| 23°C,100Hz | IEC 60250 | 3.10 | |
| Surface resistivity | IEC 60093 | 1E+16 ohms | |
| Volume resistivity | 23°C | IEC 60093 | 1E+16 ohms·cm |
| Physical properties | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| Apparent density | ISO 60 | 0.64 g/cm³ | |
| density | 23°C | ISO 1183 | 1.20 g/cm³ |
| melt mass-flow rate | 300°C/1.2kg | ISO 1133 | 10 g/10min |
| Melt Volume Flow Rate (MVR) | 300°C/1.2kg | ISO 1133 | 10.0 cm3/10min |
| Shrinkage rate | MD:2.00mm3 | ISO 294-4 | 0.65 % |
| TD | ISO 2577 | 0.60-0.80 % | |
| TD:2.00mm3 | ISO 294-4 | 0.70 % | |
| MD | ISO 2577 | 0.60-0.80 % | |
| Water absorption rate | Equilibrium,23°C,50%RH | ISO 62 | 0.12 % |
| Saturation,23°C | ISO 62 | 0.30 % |
| impact performance | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| Charpy Notched Impact Strength | 23°C,Partial Break | ISO 7391 | 70 kJ/m² |
| -30°C,Complete Break | ISO 7391 | 14 kJ/m² | |
| Impact strength of cantilever beam gap | 23°C,Partial Break | ISO 7391 | 65 kJ/m² |
| -30°C,Complete Break | ISO 7391 | 12 kJ/m² | |
| Impact strength of simply supported beam without notch | -30°C | ISO 179/1eU | NoBreak |
| 23°C | ISO 179/1eU | NoBreak | |
| -60°C | ISO 179/1eU | NoBreak | |
| Multi axis Instrumented Impact Energy | -30°C | ISO 6603-2 | 65.0 J |
| 23°C | ISO 6603-2 | 60.0 J | |
| Multi axis Instrumented Peak Impact Force | -30°C | ISO 6603-2 | 6300 N |
| 23°C | ISO 6603-2 | 5400 N |
| flammability | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| ApplicationofFlamefromSmallBurner MethodKandF | 2.00mm | DIN 53438-1,-3 | K1.F1 |
| Burning rate - US-FMVSS | >1.00mm | ISO 3795 | passed |
| Burning wire flammability index | 0.75mm | IEC 60695-2-12 | 900 °C |
| 3.0mm | IEC 60695-2-12 | 960 °C | |
| 1.5mm | IEC 60695-2-12 | 960 °C | |
| Extreme Oxygen Index | ISO 4589-2 | 36 % | |
| FlashIgnitionTemperature | ASTM D1929 | 460 °C | |
| GlowWireTest | 3.00mm | EDFHN60E.02 | 750 °C |
| 1.50mm | EDFHN60E.02 | 750 °C | |
| Hot filament ignition temperature | 3.0mm | IEC 60695-2-13 | 900 °C |
| 1.5mm | IEC 60695-2-13 | 875 °C | |
| 0.75mm | IEC 60695-2-13 | 875 °C | |
| Needle flame test | MethodF:3.00mm | IEC 60695-11-5 | 2.0 min |
| MethodK:1.50mm | IEC 60695-11-5 | 1.0 min | |
| MethodF:1.50mm | IEC 60695-11-5 | 2.0 min | |
| MethodF:2.00mm | IEC 60695-11-5 | 2.0 min | |
| MethodK:3.00mm | IEC 60695-11-5 | 2.0 min | |
| MethodK:2.00mm | IEC 60695-11-5 | 2.0 min | |
| SelfIgnition | ASTM D1929 | 530 °C | |
| UL flame retardant rating | 0.75mm | UL 94 | V-2 |
| 3.0mm | UL 94 | V-0 | |
| 1.5mm | UL 94 | V-2 |
| optical performance | Test Condition | Test Method | COVESTRO GERMANY/6557 BK |
|---|---|---|---|
| Refractive index | ISO 489 | 1.586 | |
| transmissivity | 3000μm | ISO 13468-2 | 88.0 % |
| 4000μm | ISO 13468-2 | 87.0 % | |
| 1000μm | ISO 13468-2 | 89.0 % | |
| 2000μm | ISO 13468-2 | 89.0 % |