ABS CHIMEI Taiwan PA‑765A
ABS CHIMEI Taiwan PA‑765A
Product Introduction ABS CHIMEI Taiwan PA‑765A is an injection‑molding‑grade ABS resin with high flowability and excellent flame‑retardant performance. Featuring favorable comprehensive properties, it is especially suitable for manufacturing thin‑wall, complex‑structure components requiring high flame‑retardant requirements.
Main Applications
Electronic‑Electrical Equipment: Monitor housings, power sockets, charger shells, router / set‑top‑box housings.
Office & Commercial Equipment: Printers, fax machines, projectors, cash‑register housings, electric‑meter housings.
Home Appliances: TV frames, coffee‑machine housings, home‑appliance control panels.
Industrial & Automotive Parts: Power‑tool accessories, car‑audio panels, automotive‑battery assemblies, motorcycle accessories.
Physical Properties
| Property Category | Test Item | Test Condition / Standard | Typical Value / Range | Unit |
|---|---|---|---|---|
| Physical Properties | Density | 23°C, ASTM D792 | 1.17 | g/cm³ |
| Melt Flow Rate (MFR) | 200°C/5.0 kg, ASTM D1238 | 4.6‑4.8 | g/10min | |
| Melt Flow Rate (MFR) | 220°C/10.0 kg, ASTM D1238 | 46‑55 | g/10min |
Mechanical Properties
| Property Category | Test Item | Test Condition / Standard | Typical Value / Range | Unit |
|---|---|---|---|---|
| Mechanical Properties | Tensile Strength (Yield) | ASTM D638 | 39.1‑40.0 | MPa |
| Tensile Strength (Break) | ISO 527‑2/50 | 28.0‑29.0 | MPa | |
| Elongation at Break | ASTM D638 | 15‑20 | % | |
| Flexural Strength | ASTM D790 | 62.5‑62.8 | MPa | |
| Flexural Modulus | ASTM D790 | 2210‑2260 | MPa | |
| Izod Notched Impact Strength | 1/4",23°C, ASTM D256 | 17‑21 or 200‑230 |
kg·cm/cm J/m |
|
| Charpy Notched Impact Strength | 23°C, ISO 179/1eA | 20‑24 | kJ/m² | |
| Rockwell Hardness | R‑Scale, ASTM D785 | R100‑R101 | R‑scale |
Thermal Properties
| Property Category | Test Item | Test Condition / Standard | Typical Value / Range | Unit |
|---|---|---|---|---|
| Thermal Properties | Heat‑Distortion Temperature (HDT) | 1.8 MPa, Unannealed, ASTM D648 | 76.0 | °C |
| Heat‑Distortion Temperature (HDT) | 1.8 MPa, Annealed, ASTM D648 | 85.0 | °C | |
| Vicat Softening Temperature | ASTM D1525 | 92.0 | °C |
Flame‑Retardant Properties
| Property Category | Test Item | Test Condition / Standard | Typical Value / Range | Unit |
|---|---|---|---|---|
| Flame‑Retardant Properties | Flammability Rating | UL94,1.5mm/2.0mm/2.1mm | V‑0 | ‑ |
| Flammability Rating | UL94,2.5mm | 5VA | ‑ |
Injection‑Molding Parameters
| Processing Parameter | Suggested Value / Range | Unit |
|---|---|---|
| Drying Temperature | 80‑85 | °C |
| Drying Time | 2‑4 (or 3) | h |
| Barrel‑Rear Temperature | 180‑220 | °C |
| Barrel‑Middle Temperature | 190‑230 | °C |
| Barrel‑Front Temperature | 190‑230 | °C |
| Nozzle Temperature | 185‑235 | °C |
| Mold Temperature | 40‑80 (commonly 40‑70) | °C |
| Melt Temperature | 220‑250 | °C |
| Injection Pressure | 60‑130 (or 100‑150) | MPa (or kg/cm²) |
| Holding Pressure | 30%‑60% of injection pressure | MPa (or kg/cm²) |
| Back Pressure | 5‑15 | MPa (or kg/cm²) |
| Screw Speed | Max linear velocity 0.6 m/s | rpm |
| Injection Speed | Graded injection, slow‑to‑fast | ‑ |
Note: All data above is for reference only.



