PC/ABS CHIMEI(Zhenjiang) PC‑345K
PC/ABS CHIMEI(Zhenjiang) PC‑345K
PC/ABS CHIMEI(Zhenjiang) PC‑345K is a general‑purpose alloy resin. It combines the advantages of high rigidity and high‑impact resistance of polycarbonate (PC) and high flowability of acrylonitrile‑butadiene‑styrene copolymer (ABS).
Main Applications
Automotive Accessories: automotive interior parts.
Electrical‑Electronic: set‑top boxes, projectors, 3C digital products, transformers, game consoles, network‑communication products, also widely used for mobile phone housings.
General Molded Articles: computer housings and accessories.
Physical Properties
| Property Category | Test Item | Test Standard | Unit | Typical Value | Property Description |
|---|---|---|---|---|---|
| Basic Physical Properties | |||||
| Density | ISO 1183 | g/cm³ | 1.16‑1.18 | Advantage for lightweight design | |
| Water Absorption (23℃, 24h) | ISO 62 | % | 0.15‑0.25 | Low water absorption, good dimensional stability | |
| Melt Mass‑Flow Rate (MFR) | ISO 1133 (265℃/5kg) | g/10min | 12‑18 | High flowability, suitable for complex thin‑wall injection molding | |
| Mechanical Properties | |||||
| Tensile Strength | ISO 527 | MPa | 55‑65 | High rigidity, excellent tensile performance | |
| Elongation at Break | ISO 527 | % | 80‑120 | Good ductility | |
| Flexural Strength | ISO 178 | MPa | 85‑95 | High bending load‑bearing capacity | |
| Flexural Modulus | ISO 178 | MPa | 2300‑2600 | Suitable for high‑rigidity supporting structures | |
| Izod Notched Impact Strength | ISO 180 | kJ/m² | 45‑60 | Ultra‑high toughness, preferred for drop‑ and impact‑resistant applications | |
| Thermal Properties | |||||
| Heat‑Distortion Temperature (HDT, 1.82 MPa) | ISO 75 | ℃ | 105‑115 | Good stability under medium‑high temperature environment | |
| Vicat Softening Temperature (VST, 50N) | ISO 306 | ℃ | 120‑125 | Better heat resistance than general‑purpose ABS | |
| Linear Thermal Expansion Coefficient | ISO 11359 | 10⁻⁵/K | 7‑9 | High compatibility for assembly with metal parts | |
| Electrical Properties | |||||
| Dielectric Strength | IEC 60243 | kV/mm | 28‑35 | Reliable insulation performance | |
| Volume Resistivity | IEC 60093 | Ω·cm | >10¹⁵ | Extremely high resistance, applicable for electronic housings | |
| Flame Retardancy & Safety | |||||
| UL94 Flammability Rating | UL94 | — | V‑0 (1.5 mm) | Halogen‑free flame retardant, passed strict fire‑safety certification |
Processing Parameters
| Process Parameter | Unit | Recommended Value / Range |
|---|---|---|
| Drying Treatment | ||
| Drying Temperature | °C | 80.0‑90.0 |
| Drying Time | h | 2.0‑4.0 |
| Recommended Moisture Content | % | < 0.020 |
| Injection Molding Temperature | ||
| Rear Barrel Temperature | °C | 230‑280 |
| Middle Barrel Temperature | °C | 240‑290 |
| Front Barrel Temperature | °C | 250‑300 |
| Nozzle Temperature | °C | 250‑300 |
| Melt Processing Temperature | °C | 250‑300 |
| Mold Temperature | °C | 60‑90 |
| Mold Parameter | ||
| Vent Groove Depth | mm | 0.030‑0.075 |
Note: All information above is for reference only!



