Makrolon® 205 R50
Polycarbonate; medium viscosity; easy release
- Brand
- Makrolon
- Available in
- Latin America, Asia Pacific, Europe Middle-East and Africa, North America
Typical values
| Property | Value | Unit | Test method | Condition |
|---|---|---|---|---|
| Thermal properties | ||||
| Temperature of Deflection under Load (HDT) | 122 | °C | ISO 75-1,-2 | 1.80 MPa |
| Temperature of Deflection under Load (HDT) | 137 | °C | ISO 75-1,-2 | 0.45 MPa |
| Vicat Softening Temperature | 143 | °C | ISO 306 | 50 N; 50 °C/h |
| Vicat Softening Temperature | 146 | °C | ISO 306 | 50 N; 120 °C/h |
| Coefficient of Linear Thermal Expansion (CLTE), parallel | 0.66 | 10⁻⁴/K | ISO 11359-1,-2 | 23 to 55 °C |
| Coefficient of Linear Thermal Expansion (CLTE), normal | 0.68 | 10⁻⁴/K | ISO 11359-1,-2 | 23 to 55 °C |
| Burning Behavior | V-2 | UL 94 | 0.75 mm | |
| Burning Behavior | HB | UL 94 | 2.7 mm | |
| Resistance to Heat (Ball Pressure Test, BPT) | 136 | °C | IEC 60695-10-2 | |
| Glow Wire Test (GWFI) | 875 | °C | IEC 60695-2-12 | 1.5 mm |
| Glow Wire Test (GWFI) | 930 | °C | IEC 60695-2-12 | 3.0 mm |
| Glow Wire Test (GWIT) | 875 | °C | IEC 60695-2-13 | 1.5 mm |
| Glow Wire Test (GWIT) | 875 | °C | IEC 60695-2-13 | 3.0 mm |
| Rheological properties | ||||
| Melt Volume-flow Rate (MVR) | 17 | cm³/10 min | ISO 1133-1 | 300 °C/1.2 kg |
| Molding Shrinkage, parallel | 0.6 | % | ISO 294-4 | 60×60×2 mm; 500 bar |
| Molding Shrinkage, normal | 0.6 | % | ISO 294-4 | 60×60×2 mm; 500 bar |
| Mechanical properties (23 °C; 50 % r. h.) | ||||
| Tensile Modulus | 2300 | 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 | 66 | MPa | ISO 527-1,-2 | 50 mm/min |
| Strain at Break | 50 – 999.9 | % | ISO 527-1,-2 | 50 mm/min |
| Flexural Modulus | 2350 | MPa | ISO 178 | 2 mm/min |
| Flexural Strength | 100 | MPa | ISO 178 | 2 mm/min |
| Flexural Stress at 3.5 % Flexural Strain | 74 | MPa | ISO 178 | 2 mm/min |
| Flexural Strain at Flexural Strength | 7 | % | ISO 178 | 2 mm/min |
| Izod Notched Impact Strength | 61 | kJ/m² | ISO 21305/b. o. ISO 180/A | 23 °C; 3 mm |
| Izod Notched Impact Strength | 11 | kJ/m² | ISO 21305/b. o. ISO 180/A | -30 °C; 3 mm |
| Charpy Notched Impact Strength | 65 | kJ/m² | ISO 21305/b. o. ISO 179-1/1eA | 23 °C; 3 mm |
| Charpy Notched Impact Strength | 12 | kJ/m² | ISO 21305/b. o. ISO 179-1/1eA | -30 °C; 3 mm |
| Puncture Impact Behavior - Maximum Force | 5100 | N | ISO 6603-2 | 23 °C |
| Puncture Impact Behavior - Maximum Force | 6000 | N | ISO 6603-2 | -30 °C |
| Puncture Impact Behavior - Puncture Energy | 55 | J | ISO 6603-2 | 23 °C |
| Puncture Impact Behavior - Puncture Energy | 62 | J | ISO 6603-2 | -30 °C |
| Other properties (23 °C) | ||||
| Water Absorption (Saturation Value) | 0.22 | % | ISO 62 | Water at 23 °C |
| Density | 1200 | kg/m³ | ISO 1183-1 | |
| Electrical properties (23 °C; 50 % r. h.) | ||||
| Electric Strength | 27 | kV/mm | IEC 60243-1 | 1 mm |
| Comparative Tracking Index (CTI) | 200 | V | IEC 60112 | Solution A |
| Processing conditions for test specimens | ||||
| Injection Molding - Melt Temperature | 300 | °C | ISO 294-1 | |
| Injection Molding - Mold Temperature | 80 | °C | ISO 294-1 | |
| Injection Molding - Injection Velocity | 200 | mm/s | ISO 294-1 | |
| Recommended processing and drying conditions | ||||
| Dry Air Drying Temperature | 120 | °C | ||
| Dry Air Drying Time | 4 | h | ||
| Moisture Content max. (%) | 0 – 0.02 | % | ||
| Melt Temperatures | 270 – 300 | °C | ||
| Standard Melt Temperature | 285 | °C | ||
| Barrel Temperatures | 250 – 260 | °C | Rear | |
| Barrel Temperatures | 260 – 280 | °C | Middle | |
| Barrel Temperatures | 270 – 300 | °C | Front | |
| Barrel Temperatures | 270 – 295 | °C | Nozzle | |
| Mold Temperatures | 80 | °C | ||
| Hold Pressure (% of Injection Pressure) | 50 – 70 | % | ||
| 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