PC/ABS Covestro T45
PC/ABS Covestro T45
PC/ABS Covestro T45 is a plating‑grade alloy material. It combines mechanical strength and heat resistance of polycarbonate (PC) with excellent processing flowability of ABS, and is specially suitable for electroplating treatment.
Main Applications
Electrical‑Electronic: mobile‑phone housings & accessories, smart cards (SIM‑cards); components for notebooks, digital cameras, air conditioners, refrigerators.
Automotive Parts: surrounding parts of instrument panels, air‑conditioning system components, decorative panels.
Office Equipment: panel parts for copiers, printers and fax machines.
Physical Properties
| Property Category | Test Item | Test Standard | Data | Unit |
|---|---|---|---|---|
| Physical Properties | Density (23°C) | ISO 1183 | 1.10 | g/cm³ |
| MVR (260°C / 5.0 kg) | ISO 1133 | 12.0 | cm³/10min | |
| Molding shrinkage (flow / cross‑flow, 260°C, 3.00 mm) | ISO 2577 | 0.55‑0.75 | % | |
| 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 | 2100 | MPa |
| Tensile stress (yield, 23°C) | ISO 527‑2/50 | 49.0 | MPa | |
| Tensile stress (break, 23°C) | ISO 527‑2/50 | 40.0 | MPa | |
| Elongation at break (23°C) | ISO 527‑2/50 | > 50 | % | |
| Izod notched impact strength (23°C) | ISO 180/A | 40 | kJ/m² | |
| Izod notched impact strength (-30°C) | ISO 180/A | 36 | kJ/m² | |
| Thermal Properties | HDT (1.8 MPa, unannealed) | ISO 75‑2/A | 95.0 | °C |
| HDT (0.45 MPa, unannealed) | ISO 75‑2/B | 112 | °C | |
| Vicat softening temperature (B120) | ISO 306 | 112 | °C | |
| Linear thermal expansion coefficient (flow dir., 23‑55°C) | ISO 11359‑2 | 8.5E‑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 | |
| CTI | IEC 60112 | 275 | V | |
| Flame Retardancy | UL 94 (0.85 mm) | UL 94 | HB | — |
Processing Parameters
| Process Parameter | Unit | Recommended Value / Range |
|---|---|---|
| Drying Treatment | ||
| Drying temperature | °C | 95‑110 |
| Drying time | h | 2‑4 |
| Residual moisture | % | < 0.04 |
| Injection Molding Temperature | ||
| Rear barrel temperature | °C | 220‑230 |
| Middle barrel temperature | °C | 225‑235 |
| Front barrel temperature | °C | 230‑240 |
| Nozzle temperature | °C | 240‑265 |
| Melt temperature | °C | 240‑265 |
| Mold temperature | °C | 60‑90 |
| Injection Parameters | ||
| Back pressure | MPa | 5.0‑15.0 |
| Injection speed | — | As high as possible |
| Suggested shot volume | % | 30‑70 |
Note: All information above is for reference only!
