Covestro Bayblend® T45 PG PC/ABS
Plastic Granules
Bayblend® T45 PG PC/ABS Resin Electroplating Grade
Covestro Bayblend T45 PG is the electroplating-grade ABS+PC blend, engineered for high impact resistance and thermal stability (Vicat 112°C). Ideal for demanding applications requiring metallic finishes and durability.
Typical property data
Physical Properties (Rheological)
- Melt volume-flow rate (MVR): 12 cm³/10 min (260 °C/5 kg, ISO 1133)
- Melt viscosity: 200 Pa·s (1000 s⁻¹, 260 °C, ISO 11443-A)
- Molding shrinkage (parallel): 0.55–0.75% (ISO 2577)
- Molding shrinkage (normal): 0.55–0.75% (ISO 2577)
Mechanical Properties (23 °C/50% r.h.)
- Tensile modulus: 2000 MPa (1 mm/min, ISO 527-1/-2)
- Yield stress: 49 MPa (50 mm/min, ISO 527-1/-2)
- Yield strain: 3.7% (50 mm/min, ISO 527-1/-2)
- Stress at break: 40 MPa (50 mm/min, ISO 527-1/-2)
- Strain at break: > 50% (ISO 527-1/-2)
- Izod notched impact strength (23 °C): 40 kJ/m² (ISO 180/A)
- Izod notched impact strength (-30 °C): 36 kJ/m² (ISO 180/A)
Thermal Properties
- Deflection temperature under load (1.80 MPa): 92 °C (ISO 75-1/-2)
- Deflection temperature under load (0.45 MPa): 112 °C (ISO 75-1/-2)
- Vicat softening temperature (50 N, 50 °C/h): 110 °C (ISO 306)
- Vicat softening temperature (50 N, 120 °C/h): 112 °C (ISO 306)
- Coefficient of linear thermal expansion (parallel): 0.85 × 10⁻⁴/K (23–55 °C, ISO 11359-1/-2)
- Coefficient of linear thermal expansion (normal): 0.90 × 10⁻⁴/K (23–55 °C, ISO 11359-1/-2)
- Burning behavior: UL 94 HB (0.85 mm, UL 94)
- Oxygen index: 20% (ISO 4589-2)
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): 35 × 10⁻⁴ (IEC 60250)
- Dissipation factor (1 MHz): 85 × 10⁻⁴ (IEC 60250)
- Volume resistivity: 1 × 10¹⁴ Ohm·m (IEC 62631-3-1)
- Surface resistivity: 1 × 10¹⁶ Ohm (IEC 62631-3-2)
- Electrical strength: 35 kV/mm (1 mm, IEC 60243-1)
- Comparative tracking index (CTI): 275 (Solution A, IEC 60112)
Other Properties (23 °C)
- Water absorption (saturation value): 0.7% (Water at 23 °C, ISO 62)
- Water absorption (equilibrium value): 0.2% (23 °C, 50% r.h., ISO 62)
- Density: 1100 kg/m³ (ISO 1183-1)
Processing and Drying Conditions
- Melt temperature range: 240–270 °C (ISO 294)
- Standard melt temperature: 260 °C (ISO 294)
- Mold temperature range: 70–90 °C (ISO 294)
- Injection velocity: 240 mm/s (ISO 294)
- Drying temperature: 90 °C
- Drying time: 4 h
- Maximum moisture content: ≤ 0.02%
Features & Benefits
Superior Electroplating Performance
It ensures flawless metallic adhesion and gloss for automotive trims, reducing rejects and secondary processes. Perfect for chrome-finish components.
Exceptional Impact Resistance
It delivers 40 kJ/m² notched impact strength (23°C), preventing cracks in high-stress parts like power tools or connectors.
High Heat Stability
It withstands 112°C under load (0.45 MPa), maintaining structural integrity in under-hood automotive parts or electronics.
Use & Application
- Electroplating Finishes: Automotive grilles, emblems, and interior trims; Consumer electronics (e.g., buttons, bezels).
- High-Impact Components: Power tool housings, connectors, and industrial enclosures; Luggage frames and sports equipment.