Covestro Makrolon® AX2675 RE PC Resin
Makrolon AX2675 RE Polycarbonate Granules Black color
Makrolon® AX2675 RE by Covestro is a medium-viscosity, easy-release polycarbonate resin with an MVR of 12 cm³/10 min (300°C/1.2 kg). Designed for high-gloss automotive exteriors, it offers partial bio-circular sustainability (ISCC PLUS mass balance) and is exclusively available in black.
Associated Documents
ISO TDS
Typical property data
Physical Properties (Rheological)
- Melt Volume-Flow Rate (300 °C/1.2 kg): 12 cm³/10 min (ISO 1133)
- Melt Mass-Flow Rate (300 °C/1.2 kg): 13 g/10 min (ISO 1133)
- Molding Shrinkage (Parallel, 60x60x2 mm³/500 bar): 0.7% (ISO 294-4)
- Molding Shrinkage (Normal, 60x60x2 mm³/500 bar): 0.75% (ISO 294-4)
- Molding Shrinkage Range (Parallel/Normal): 0.6–0.8% (ISO 2577)
Mechanical Properties (23 °C/50 % r.h.)
- Tensile Modulus (1 mm/min): 2400 MPa (ISO 527-1,-2)
- Yield Stress (50 mm/min): 65 MPa (ISO 527-1,-2)
- Yield Strain (50 mm/min): 6.0% (ISO 527-1,-2)
- Nominal Strain at Break (50 mm/min): >50% (ISO 527-1,-2)
- Flexural Modulus (2 mm/min): 2400 MPa (ISO 178)
- Flexural Strength (2 mm/min): 98 MPa (ISO 178)
- Charpy Notched Impact Strength (23 °C, 3 mm): 70 kJ/m² (ISO 21305/ISO 179/1eA)
- Charpy Notched Impact Strength (-30 °C, 3 mm): 16 kJ/m² (ISO 21305/ISO 179/1eA)
- Puncture Impact Maximum Force (23 °C): 5200 N (ISO 6603-2)
- Puncture Impact Maximum Force (-30 °C): 6100 N (ISO 6603-2)
Thermal Properties
- Glass Transition Temperature (10 °C/min): 143 °C (ISO 11357-1,-2)
- Temperature of Deflection Under Load (1.80 MPa): 124 °C (ISO 75-1,-2)
- Temperature of Deflection Under Load (0.45 MPa): 136 °C (ISO 75-1,-2)
- Vicat Softening Temperature (50 N, 50 °C/h): 143 °C (ISO 306)
- Thermal Conductivity (23 °C, through-plane): 0.20 W/(m·K) (ISO 8302)
- Coefficient of Linear Thermal Expansion (23–55 °C, Parallel/Normal): 0.65 × 10⁻⁴/K (ISO 11359-1,-2)
Electrical Properties (23 °C/50 % r.h.)
- Relative Permittivity (100 Hz): 3.1 (IEC 60250)
- Relative Permittivity (1 MHz): 3.0 (IEC 60250)
- Dissipation Factor (100 Hz): 0.0005 (IEC 60250)
- Dissipation Factor (1 MHz): 0.009 (IEC 60250)
- Volume Resistivity: 1 × 10¹⁴ Ω·m (IEC 62631-3-1)
- Surface Resistivity: 1 × 10¹⁶ Ω (IEC 62631-3-2)
- Electrical Strength (1 mm): 34 kV/mm (IEC 60243-1)
- Comparative Tracking Index (Solution A): 250 (IEC 60112)
Other Properties (23 °C)
- Density: 1200 kg/m³ (ISO 1183-1)
- Water Absorption (Saturation): 0.30% (ISO 62)
- Water Absorption (Equilibrium, 50% RH): 0.12% (ISO 62)
Processing and Drying Conditions
- Injection Molding Melt Temperature: 280–320 °C (ISO 294)
- Mold Temperature: 80–120 °C (ISO 294)
- Drying Temperature: 120 °C
- Drying Time: 2–3 hours
- Moisture Content (Max): ≤0.02%
- Injection Velocity: 200 mm/s (ISO 294)
Features & Benefits
Sustainable Material Choice
This Covestro Makrolon® AX2675 RE uses bio-circular attribution (ISCC PLUS), reducing carbon footprint while meeting automotive standards—ideal for eco-driven procurement.
Premium Surface Performance
Engineered for flawless high-gloss finishes, it resists scratches and maintains aesthetics under harsh conditions, perfect for luxury automotive trims.
Effortless Processing
Medium viscosity and easy-release properties enable faster injection molding cycles, cutting production costs without sacrificing part precision.
Use & Applications
- Automotive Exterior Trims: Roof strips and pillar appliqués demanding UV resistance and high-gloss finishes.
- Premium Surfaces: High-gloss components for luxury vehicles, paired with hard coatings for scratch protection.
- Injection-Molded Parts: Complex geometries requiring dimensional stability (e.g., sensor housings).
- Sustainable Solutions: Eco-conscious automotive projects leveraging bio-circular materials.
