PC/ABS Covestro Bayblend T65
PC/ABS Covestro Bayblend® T65
PC/ABS Covestro Bayblend® T65 is a well‑balanced alloy material. It combines the mechanical strength, heat resistance and UV‑resistance of polycarbonate (PC), as well as the excellent processing flowability of ABS resin.
Main Applications
Automotive Industry: automotive interior & exterior parts such as instrument panels, pillar trims, grilles, bumpers and lamp housings.
Electrical‑Electronic: housings and internal components for notebook & desktop computers, copiers, printers and other business equipment; telecommunication devices, mobile‑phone housings & accessories, smart cards (e.g. SIM cards).
Home Appliances: internal and external components for washing machines, hair dryers, microwave ovens and other appliances.
Physical Properties
表格
| Property Category | Test Item | Test Standard | Data | Unit |
|---|---|---|---|---|
| Physical Properties | Density (23°C) | ISO 1183 | 1.13 | g/cm³ |
| Melt Volume‑Flow Rate (MVR) | 260°C/5.0 kg, ISO 1133 | 18.0 | cm³/10min | |
| Mold Shrinkage (Flow / Transverse Direction, 260°C, 3.00 mm) | ISO 2577 | 0.50‑0.70 | % | |
| Water Absorption (Saturated, 23°C) | ISO 62 | 0.70 | % | |
| Water Absorption (Equilibrium, 23°C, 50% RH) | ISO 62 | 0.20 | % | |
| Mechanical Properties | Tensile Modulus (23°C) | ISO 527‑2/1 | 2400 | MPa |
| Tensile Stress (Yield, 23°C) | ISO 527‑2/50 | 54.0 | MPa | |
| Tensile Stress (Break, 23°C) | ISO 527‑2/50 | 47.0 | MPa | |
| Elongation at Break (23°C) | ISO 527‑2/50 | > 50 | % | |
| Izod Notched Impact Strength (23°C) | ISO 180/A | 45 | kJ/m² | |
| Izod Notched Impact Strength (-30°C) | ISO 180/A | 35 | kJ/m² | |
| Izod Un‑notched Impact Strength (23°C) | ISO 180 | No break | — | |
| Thermal Properties | Heat‑Distortion Temperature (HDT, 1.8 MPa, unannealed) | ISO 75‑2/A | 102 | °C |
| Heat‑Distortion Temperature (HDT, 0.45 MPa, unannealed) | ISO 75‑2/B | 122 | °C | |
| Vicat Softening Temperature (B120) | ISO 306 | 120 | °C | |
| Linear Thermal Expansion Coefficient (Flow Direction, 23‑55°C) | ISO 11359‑2 | 8.0E‑5 | cm/cm/°C | |
| Electrical Properties | Volume Resistivity (23°C) | IEC 60093 | 1.0E+16 | Ω·cm |
| Dielectric Strength (23°C, 1.00 mm) | IEC 60243‑1 | 35 | kV/mm | |
| Comparative Tracking Index (CTI) | IEC 60112 | 250 | V | |
| Flame Retardancy | UL 94 Rating (0.85 mm) | UL 94 | HB | — |
Processing Parameters
表格
| Process Parameter | Unit | Recommended Value / Range |
|---|---|---|
| Drying Treatment | ||
| Drying Temperature | °C | 90‑110 |
| Drying Time | h | 2‑4 |
| Recommended Moisture Content | % | < 0.04 |
| Injection Molding Temperature | ||
| Rear Barrel Temperature | °C | 220‑250 |
| Middle Barrel Temperature | °C | 240‑280 |
| Front Barrel Temperature | °C | 250‑310 |
| Nozzle Temperature | °C | 10 °C lower than rear section |
| Melt Temperature | °C | 230‑300 |
| Mold Temperature | °C | 50‑100 |
| Injection Parameters | ||
| Injection Pressure | MPa | 70‑140 |
| Injection Speed | — | As high as possible |
| Screw Speed | rpm | 30‑120 |
Note: All information above is for reference only!
