Covestro Makrolon® FR6002 PC Resin
Makrolon FR6002 PC Resin
Makrolon FR6002 by Covestro is a flame-retardant polycarbonate resin engineered for injection molding. With low viscosity (MVR 18 cm³/10 min), easy release, and UL 94 V-0 fire resistance, it ensures safety, efficiency, and reliability for high-demand industrial applications.
Associated Documents
ISO TDS
Typical property data
Physical Properties (Rheological)
- Melt Volume-Flow Rate: 18 cm³/10 min (300 °C/1.2 kg, ISO 1133)
- Molding Shrinkage: 0.5–0.7% (Parallel/Normal, ISO 2577)
Mechanical Properties (23 °C/50 % r.h.)
- Tensile Modulus: 2350 MPa (1 mm/min, ISO 527-1,-2)
- Yield Stress: 64 MPa (50 mm/min, ISO 527-1,-2)
- Yield Strain: 6% (50 mm/min, ISO 527-1,-2)
- Nominal Strain at Break: >50% (50 mm/min, ISO 527-1,-2)
- Stress at Break: 65 MPa (50 mm/min, ISO 527-1,-2)
- Strain at Break: 120% (50 mm/min, ISO 527-1,-2)
- Izod Notched Impact Strength: 15 kJ/m² (23 °C, 3 mm, ISO 21305)
Thermal Properties
- 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: 143 °C (50 N, 50 °C/h, ISO 306)
- Burning Behavior (UL 94):
- V-0 (0.75 mm, 1.5 mm, 3.0 mm)
- Oxygen Index: >32% (ISO 4589-2)
- Relative Temperature Index:
- 120 °C (Tensile Strength, UL 746B)
- 110 °C (Tensile Impact Strength, UL 746B)
- 120 °C (Electric Strength, UL 746B)
- Glow Wire Tests:
- GWFI: 960 °C (0.75 mm, 1.5 mm, 3.0 mm, IEC 60695-2-12)
- GWIT: 850 °C (0.75 mm, 1.5 mm), 930 °C (3.0 mm, IEC 60695-2-13)
Electrical Properties (23 °C/50 % r.h.)
- Relative Permittivity:
- 3 (100 Hz, IEC 60250)
- 2.9 (1 MHz, IEC 60250)
- Dissipation Factor:
- 8 × 10⁻⁴ (100 Hz, IEC 60250)
- 88 × 10⁻⁴ (1 MHz, IEC 60250)
- Volume Resistivity: 1.5 × 10¹⁵ Ohm·m (IEC 62631-3-1)
- Surface Resistivity: 4.2 × 10¹⁶ Ohm (IEC 62631-3-2)
- Electrical Strength: 34 kV/mm (1 mm, IEC 60243-1)
- Comparative Tracking Index (CTI):
- 250 (Solution A, IEC 60112)
- 125 M (Solution B, IEC 60112)
Other Properties (23 °C)
Density: 1200 kg/m³ (ISO 1183-1)
Processing and Drying Conditions
- Melt Temperature: 280–320 °C (Standard: 300 °C)
- Barrel Temperatures:
- Rear: 250–260 °C
- Middle: 270–280 °C
- Front: 280–290 °C
- Nozzle: 290–300 °C
- Mold Temperature: 80–120 °C
- Hold Pressure: 50–75% of injection pressure
- Plastic Back Pressure: 50–150 bar
- Screw Speed: 0.05–0.2 m/s
- Shot-to-Cylinder Size: 30–70%
- Drying Conditions:
- Drying Temperature: 120 °C
- Drying Time: 2–3 hours
- Maximum Moisture Content: ≤0.02%
Features & Benefits
Exceptional Flame Resistance
It achieves UL 94 V-0 rating at thin walls (0.75–3.0 mm), preventing fire spread in electronics or enclosures. Ideal for safety-critical components like electrical housings.
High Mechanical Strength
It boasts 64 MPa yield stress and >50% strain at break, ensuring impact-resistant parts that withstand drops, vibrations, and heavy use in automotive/industrial settings.
Optimized Processing Efficiency
Low viscosity and easy-release properties cut cycle times during injection molding. Pre-dried at 120°C (2–3 hours), it minimizes defects for faster, cost-effective production.
Use & Applications
- Electrical: Circuit breakers, connectors, and switch housings.
- Automotive: Fuse boxes, sensor covers, and EV components.
- Industrial: Machine guards, enclosures, and safety equipment.
- Consumer Tech: Power tool casings and charger housings.