Makrolon® LED2245 HP RE
Polycarbonate; MVR (300 °C/1.2 kg) 34 cm³/10 min; high color stability under injection molding conditions; PC with highest transmission; low viscosity; easy release
- Brand
- Makrolon
- Available in
- Europe Middle-East and Africa, Asia Pacific, Latin America, North America
Typical values
| Property | Value | Unit | Test method | Condition |
|---|---|---|---|---|
| All attributes | ||||
| Black speck index | 0 – 40 | PCS Meth 025 | ||
| Content of BPA | 0 – 50 | ppm | PCS Meth 032 | |
| Content of MCB | 0 – 600 | ppm | PCS Meth 002 | |
| Bulk Density | 660 | g/cm³ | ISO 60 | Pellets |
| Thermal properties | ||||
| Temperature of Deflection under Load (HDT) | 138 | °C | ISO 75-1,-2 | 0.45 MPa |
| Temperature of Deflection under Load (HDT) | 125 | °C | ISO 75-1,-2 | 1.80 MPa |
| Vicat Softening Temperature | 146 | °C | ISO 306 | 50 N; 120 °C/h |
| Vicat Softening Temperature | 145 | °C | ISO 306 | 50 N; 50 °C/h |
| Glass Transition Temperature | 145 | °C | ISO 11357-1,-2 | 10 °C/min |
| Coefficient of Linear Thermal Expansion (CLTE), parallel | 0.65 | 10⁻⁴/K | ISO 11359-1,-2 | 23 to 55 °C |
| Coefficient of Linear Thermal Expansion (CLTE), normal | 0.65 | 10⁻⁴/K | ISO 11359-1,-2 | 23 to 55 °C |
| Burning Rate (FMVSS-302) | PASSED | ISO 3795 | >=1.0 mm | |
| Oxygen Index | 28 | % | ISO 4589-2 | Method A |
| Thermal Conductivity, through-plane | 0.2 | W/(m·K) | ISO 8302 | 23 °C; 50 % r. h. |
| Resistance to Heat (Ball Pressure Test, BPT) | 136 | °C | IEC 60695-10-2 | |
| Flash-ignition Temperature | 480 | °C | ASTM D1929 | |
| Spontaneous-Ignition Temperature | 550 | °C | ASTM D1929 | |
| Rheological properties | ||||
| Melt Volume-flow Rate (MVR) | 34 | cm³/10 min | ISO 1133-1 | 300 °C/ 1.2 kg |
| Melt Mass-flow Rate (MFR) | 31.7 – 40.1 | g/10 min | ASTM D 1238 | 300 °C/ 1.2 kg |
| Molding Shrinkage, parallel | 0.65 | % | ISO 294-4 | 60x60x2 mm/ 500 bar |
| Molding Shrinkage, normal | 0.7 | % | ISO 294-4 | 60x60x2 mm/ 500 bar |
| Mechanical properties (23 °C; 50 % r. h.) | ||||
| Tensile Modulus | 2350 | MPa | ISO 527-1,-2 | 1 mm/min |
| Yield Stress | 63 | MPa | ISO 527-1,-2 | 50 mm/min |
| Yield Strain | 6 | % | ISO 527-1,-2 | 50 mm/min |
| Stress at Break | 60 | MPa | ISO 527-1,-2 | 50 mm/min |
| Strain at Break | 125 | % | b.o. ISO 527-1,-2 | 50 mm/min |
| Nominal Strain at Break | ≥ 50 | % | ISO 527-1,-2 | 50 mm/min |
| Flexural Modulus | 2350 | MPa | ISO 178 | 2 mm/min |
| Flexural Strength | 97 | MPa | ISO 178 | 2 mm/min |
| Flexural Stress at 3.5 % Flexural Strain | 73 | MPa | ISO 178 | 2 mm/min |
| Flexural Strain at Flexural Strength | 7.1 | % | ISO 178 | 2 mm/min |
| Izod Notched Impact Strength | 12 | kJ/m² | ISO 21305/based on ISO 180/A | -30 °C/ 3 mm |
| Izod Notched Impact Strength | 55 | kJ/m² | ISO 21305/based on ISO 180/A | 23 °C/ 3 mm |
| Charpy Notched Impact Strength | 12 | kJ/m² | ISO 21305/based on ISO 179/1eA | -30 °C/ 3 mm |
| Puncture Impact Behavior - Maximum Force | 5900 | N | ISO 6603-2 | -30 °C |
| Puncture Impact Behavior - Maximum Force | 4900 | N | ISO 6603-2 | 23 °C |
| Puncture Impact Behavior - Puncture Energy | 60 | J | ISO 6603-2 | -30 °C |
| Puncture Impact Behavior - Puncture Energy | 55 | J | ISO 6603-2 | 23 °C |
| Ball Indentation Hardness | 115 | N/mm² | ISO 2039-1 | |
| Other properties (23 °C) | ||||
| Water Absorption (Saturation Value) | 0.3 | % | ISO 62 | Water at 23 °C |
| Water Absorption (Equilibrium Value) | 0.12 | % | ISO 62 | 23 °C; 50 % r. h. |
| Density | 1190 | kg/m³ | ISO 1183-1 | |
| Material specific properties | ||||
| Luminous Transmittance (Clear Transparent Materials) | 89.5 – 999.9 | % | ISO 13468-2 | 4 mm |
| Luminous Transmittance (Clear Transparent Materials) | 89.5 – 999.9 | % | ISO 13468-2 | 3 mm |
| Luminous Transmittance (Clear Transparent Materials) | 90 – 999.9 | % | ISO 13468-2 | 2 mm |
| Luminous Transmittance (Clear Transparent Materials) | 90 – 999.9 | % | ISO 13468-2 | 1 mm |
| Haze (Clear Transparent Materials) | 0 – 0.5 | % | ISO 14782 | 3 mm |
| Yellowness Index (YI, Clear Transparent Materials) | 0 – 1 | ASTM E313 | 4 mm | |
| Refractive Index | 1.584 | ISO 489 | Procedure A | |
| Electrical properties (23 °C; 50 % r. h.) | ||||
| Relative Permittivity | 3 | IEC 60250 | 1 MHz | |
| Relative Permittivity | 3.1 | IEC 60250 | 100 Hz | |
| Dielectric Dissipation Factor | 95 | 10⁻⁴ | IEC 60250 | 1 MHz |
| Dielectric Dissipation Factor | 5 | 10⁻⁴ | IEC 60250 | 100 Hz |
| Volume Resistivity | 1.00E+14 | Ω·m | IEC 60093 | |
| Volume Resistivity | 1.00E+14 | Ω·m | IEC 62631-3-1 | |
| Surface Resistivity | 1.00E+16 | Ω | IEC 60093 | |
| Surface Resistivity | 1.00E+16 | Ω | IEC 62631-3-2 | |
| Electric Strength | 34 | kV/mm | IEC 60243-1 | 1 mm |
| Comparative Tracking Index (CTI) | 250 | IEC 60112 | Solution A | |
| Comparative Tracking Index (CTI M) | 125 | IEC 60112 | Solution B | |
| Processing conditions for test specimens | ||||
| Injection Molding - Melt Temperature | 280 | °C | ISO 294 | |
| Injection Molding - Mold Temperature | 80 | °C | ISO 294 | |
| Injection Molding - Injection Velocity | 200 | mm/s | ISO 294 | |
| Recommended processing and drying conditions | ||||
| Dry Air Drying Temperature | 120 | °C | ||
| Dry Air Drying Time | 2 – 3 | h | ||
| Moisture Content max. (%) | 0 – 0.02 | % | ||
| Melt Temperatures | 250 – 300 | °C | ||
| Standard Melt Temperature | 270 | °C | ||
| Barrel Temperatures | 260 – 270 | °C | Nozzle | |
| Barrel Temperatures | 260 – 270 | °C | Front | |
| Barrel Temperatures | 250 – 260 | °C | Middle | |
| Barrel Temperatures | 230 – 240 | °C | Rear | |
| Mold Temperatures | 80 – 120 | °C | ||
| Hold Pressure (% of Injection Pressure) | 50 – 75 | % | ||
| Plastic Back Pressure (specific) | 50 – 150 | bar | ||
| Peripheral Screw Speed | 0.05 – 0.2 | m/s | ||
| Shot-to-Cylinder Size | 30 – 70 | % | ||
| Vent Depth | 0.025 – 0.075 | mm | ||
Documents
- Technical Data Sheet
- Safety Data Sheet