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offers extended functionality!CAMPUS® datasheet | Makrolon® AL2647
This datasheet of Makrolon® AL2647 from Bayer MaterialScience is provided by the international plastics database CAMPUS.
CAMPUS is organized by a group of leading international resin producers, who have agreed to test their material according to uniform conditions, based on ISO standards (ISO 10350, ISO 11403), in order to offer comparable data to the market.
- ISO 7391-PC,MLR,(,,)-18-9
- Global grade
- MVR (300 °C/1.2 kg) 12.5 cm3/10 min
- Automotive lighting
- Medium viscosity
- UV stabilized
- Easy release
- Injection molding - Melt temperature 280 - 320 °C
- Available in transparent colors only
- Headlamp lenses for automotive forward lighting
| Rheological properties | Value | Unit | Test Standard |
| Melt volume-flow rate (MVR) | 12.5 | cm³/10min | ISO 1133 |
| Temperature | 300 | °C | ISO 1133 |
| Load | 1.2 | kg | ISO 1133 |
| Molding shrinkage (parallel) | 0.7 | % | ISO 294-4, 2577 |
| Molding shrinkage (normal) | 0.7 | % | ISO 294-4, 2577 |
| Mechanical properties | Value | Unit | Test Standard |
| Tensile Modulus | 2400 | MPa | ISO 527-1/-2 |
| Yield stress | 67 | MPa | ISO 527-1/-2 |
| Yield strain | 6.1 | % | ISO 527-1/-2 |
| Nominal strain at break | >50 | % | ISO 527-1/-2 |
| Tensile creep modulus (1h) | 2200 | MPa | ISO 899-1 |
| Tensile creep modulus (1000h) | 1900 | MPa | ISO 899-1 |
| Charpy impact strength (+23°C) | N | kJ/m² | ISO 179/1eU |
| Charpy impact strength (-30°C) | N | kJ/m² | ISO 179/1eU |
| Puncture - maximum force (+23°C) | 5400 | N | ISO 6603-2 |
| Puncture - maximum force (-30°C) | 6300 | N | ISO 6603-2 |
| Puncture energy (+23°C) | 60 | J | ISO 6603-2 |
| Puncture energy (-30°C) | 65 | J | ISO 6603-2 |
| Thermal properties | Value | Unit | Test Standard |
| Glass transition temperature (10°C/min) | 144 | °C | ISO 11357-1/-2 |
| Temp. of deflection under load (1.80 MPa) | 123 | °C | ISO 75-1/-2 |
| Temp. of deflection under load (0.45 MPa) | 135 | °C | ISO 75-1/-2 |
| Vicat softening temperature (50°C/h 50N) | 143 | °C | ISO 306 |
| Coeff. of linear therm. expansion (parallel) | 65 | E-6/K | ISO 11359-1/-2 |
| Coeff. of linear therm. expansion (normal) | 65 | E-6/K | ISO 11359-1/-2 |
| Burning Behav. at 1.5 mm nom. thickn. | V-2 | class | IEC 60695-11-10 |
| Thickness tested | 1.5 | mm | IEC 60695-11-10 |
| UL recognition | UL | - | - |
| Burning Behav. at thickness h | V-2 | class | IEC 60695-11-10 |
| Thickness tested | 2.4 | mm | IEC 60695-11-10 |
| UL recognition | UL | - | - |
| Oxygen index | 27 | % | ISO 4589-1/-2 |
| Electrical properties | Value | Unit | Test Standard |
| Relative permittivity (100Hz) | 3.1 | - | IEC 60250 |
| Relative permittivity (1MHz) | 3 | - | IEC 60250 |
| Dissipation factor (100Hz) | 5 | E-4 | IEC 60250 |
| Dissipation factor (1MHz) | 90 | E-4 | IEC 60250 |
| Volume resistivity | >1E13 | Ohm*m | IEC 60093 |
| Surface resistivity | >1E15 | Ohm | IEC 60093 |
| Electric strength | 34 | kV/mm | IEC 60243-1 |
| Comparative tracking index | 250 | - | IEC 60112 |
| Other properties | Value | Unit | Test Standard |
| Water absorption | 0.3 | % | Sim. to ISO 62 |
| Humidity absorption | 0.12 | % | Sim. to ISO 62 |
| Density | 1200 | kg/m³ | ISO 1183 |
| Material specific properties | Value | Unit | Test Standard |
| Luminous transmittance | 89 | % | ISO 13468-1, -2 |
| Rheological calculation properties | Value | Unit | Test Standard |
| Density of melt | 1020 | kg/m³ | - |
| Thermal conductivity of melt | 0.214 | W/(m K) | - |
| Spec. heat capacity melt | 2100 | J/(kg K) | - |
| Eff. thermal diffusivity | 1E-7 | m²/s | - |
| Ejection temperature | 130 | °C | - |
| Test specimen production | Value | Unit | Test Standard |
| Processing conditions acc. ISO | 7390 | - | ISO ....-2 |
| Injection Molding, melt temperature | 290 | °C | ISO 294 |
| Injection Molding, mold temperature | 80 | °C | ISO 10724 |
| Injection Molding, injection velocity | 200 | mm/s | ISO 294 |
| Injection Molding, pressure at hold | 500 | MPa | ISO 294 |
Preprocessing
| Max. Water content | 0.02 % |
| Drying temperature | 120 °C |
| Drying time | |
| Circulating air drying oven (50 % fresh air) | 4-12 h |
| Fresh air dryer (high speed dryer) | 2-4 h |
| Dry air dryer | 2-3 h |
Process ing
| Melt temperature | 280-320 °C |
| Mold temperature | 80-120 °C |
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