Covestro Makrolon® 2405 RE PC Resin
Plastic Granules
Makrolon 2405 RE Polycarbonate Granules Genaral Injection Molding Grade
Makrolon® 2405 RE is a versatile, partially bio-circular polycarbonate resin with low viscosity (19 cm³/10 min MVR at 300°C/1.2 kg), ensuring easy mold release and smooth processing. Available in transparent, translucent, and opaque colors, it balances sustainability with high performance for demanding industrial applications.
Associated Documents
ISO TDS
Typical property data
Physical Properties (Rheological)
- Melt Volume-Flow Rate (MVR): 19 cm³/10 min (300 °C/1.2 kg, ISO 1133)
- Melt Mass-Flow Rate (MFR): 20 g/10 min (300 °C/1.2 kg, ISO 1133)
- Molding Shrinkage (Parallel): 0.65% (60 × 60 × 2 mm³/500 bar, ISO 294-4)
- Molding Shrinkage (Normal): 0.7% (60 × 60 × 2 mm³/500 bar, ISO 294-4)
Mechanical Properties (23 °C/50 % r. h.)
- Tensile Modulus: 2400 MPa (1 mm/min, ISO 527-1, -2)
- Yield Stress: 65 MPa (50 mm/min, ISO 527-1, -2)
- Yield Strain: 6.0% (50 mm/min, ISO 527-1, -2)
- Nominal Strain at Break: >50% (50 mm/min, ISO 527-1, -2)
- Flexural Modulus: 2350 MPa (2 mm/min, ISO 178)
- Flexural Strength: 97 MPa (2 mm/min, ISO 178)
- Charpy Notched Impact Strength:
- 65 kJ/m² (23 °C, 3 mm, ISO 21305/ISO 179/1eA)
- 14 kJ/m² (-30 °C, 3 mm, ISO 21305/ISO 179/1eA)
- Puncture Impact Properties (23 °C):
- Maximum Force: 5100 N (ISO 6603-2)
- Energy: 55 J (ISO 6603-2)
Thermal Properties
- Glass Transition Temperature: 144 °C (10 °C/min, ISO 11357-1, -2)
- Temperature of Deflection Under Load:
- 124 °C (1.80 MPa, ISO 75-1, -2)
- 137 °C (0.45 MPa, ISO 75-1, -2)
- Vicat Softening Temperature:
- 145 °C (50 N, 50 °C/h, ISO 306)
- Burning Behavior:
- UL 94 V-2 (0.75 mm, UL 94)
- UL 94 HB (2.7 mm, UL 94)
- Oxygen Index: 27% (Method A, ISO 4589-2)
Electrical Properties (23 °C/50 % r. h.)
- Relative Permittivity:
- 3.1 (100 Hz, IEC 60250)
- 3.0 (1 MHz, IEC 60250)
- Dissipation Factor:
- 5 × 10⁻⁴ (100 Hz, IEC 60250)
- 90 × 10⁻⁴ (1 MHz, IEC 60250)
- Volume Resistivity: 1×10141 \times 10^{14} Ω·m (IEC 62631-3-1)
- Surface Resistivity: 1×10161 \times 10^{16} Ω (IEC 62631-3-2)
- Electrical Strength: 34 kV/mm (1 mm, IEC 60243-1)
Other Properties (23 °C)
- Water Absorption:
- 0.30% (Saturation, ISO 62)
- 0.12% (Equilibrium, ISO 62)
- Density: 1200 kg/m³ (ISO 1183-1)
- Refractive Index: 1.585 (Procedure A, ISO 489)
- Luminous Transmittance: 89% (2 mm, ISO 13468-2)
Processing and Drying Conditions
- Injection Molding:
- Melt Temperature: 280–320 °C (ISO 294)
- Mold Temperature: 80–120 °C (ISO 294)
- Injection Velocity: 200 mm/s (ISO 294)
- Drying Conditions:
- Temperature: 120 °C
- Time: 2–3 hours
- Moisture Content (Max): ≤0.02%
Features & Benefits
Eco-Circular Material Advantage
Sourced via ISCC PLUS mass balance, this Makrolon Polycarbonate reduces carbon footprint without compromising properties—ideal for brands targeting ESG goals in electronics or packaging.
Superior Flow & Moldability
Low viscosity fills complex molds effortlessly, cutting cycle times and waste. Perfect for intricate components like thin-walled connectors or automotive housings.
Reliable Impact & Heat Resistance
It withstands 124°C under load (ISO 75) and high-impact stress (65 kJ/m² Charpy notched), ensuring durability in safety gear, power tools, or outdoor equipment.
Use & Applications
- Electronics: Phone cases, charger housings.
- Automotive: Dashboard components, light covers.
- Industrial: Safety helmet visors, machinery guards.
- Consumer Goods: Kitchenware, tool handles.
