ABS CHIMEI Taiwan PA‑777D
ABS CHIMEI Taiwan PA‑777D
Product Introduction ABS CHIMEI Taiwan PA‑777D is a heat‑resistant‑grade ABS resin with super heat resistance and medium impact strength, mainly processed by injection molding. It is suitable for electronic‑electrical parts, automotive components and home‑appliance products requiring heat resistance.
Main Applications
Benefiting from its ultra‑high heat resistance and good comprehensive properties, PA‑777D is widely used in the following fields:
Electronic‑Electrical Housings: Housings for televisions, copiers, monitors and other equipment.
Home‑Appliance Products: Especially for housings of heat‑generating home appliances, such as hair dryers, iron shells, space heaters.
Automotive Parts: Automotive instrument panels, radiator grilles, interior trims.
Physical Properties
| Property Category | Test Item | Test Condition / Standard | Typical Value / Range | Unit |
|---|---|---|---|---|
| Physical Properties | Density | ASTM D792 | 1.06 | g/cm³ |
| Melt Flow Rate (MFR) | 220°C/10.0 kg, ASTM D1238 | 5.5‑6.0 | g/10min | |
| Molding Shrinkage | ‑ | 0.3‑0.6 | % | |
| Rockwell Hardness | R‑Scale, ASTM D785 | R115 | R‑scale |
Mechanical Properties
| Property Category | Test Item | Test Condition / Standard | Typical Value / Range | Unit |
|---|---|---|---|---|
| Mechanical Properties | Tensile Strength (Yield) | ASTM D638 | 44.0 | MPa |
| Tensile Strength (Break) | ISO 527‑2/50 | 33.0 | MPa | |
| Elongation at Break | ASTM D638 | 15 | % | |
| Flexural Strength | ASTM D790 | 66.5‑75.0 | MPa | |
| Flexural Modulus | ASTM D790 | 2210‑2500 | MPa | |
| Izod Notched Impact Strength | 1/8",23°C, ASTM D256 | 17 | kg·cm/cm | |
| Izod Notched Impact Strength | 1/4",23°C, ASTM D256 | 14 | kg·cm/cm | |
| Charpy Notched Impact Strength | 23°C, ISO 179 | 14 | kJ/m² |
Thermal & Flame‑Retardant Properties
| Property Category | Test Item | Test Condition / Standard | Typical Value / Range | Unit |
|---|---|---|---|---|
| Thermal & Flame‑Retardant Properties | Heat‑Distortion Temperature (HDT) | 1.8 MPa, Unannealed, ASTM D648 | 105‑106 | °C |
| Heat‑Distortion Temperature (HDT) | 1.8 MPa, Annealed, ASTM D648 | 115‑117 | °C | |
| Vicat Softening Temperature | ASTM D1525 | 125 | °C | |
| Flammability Rating | UL94,1.5 mm | HB | ‑ |
Injection‑Molding Parameters
| Processing Parameter | Suggested Value / Range | Unit |
|---|---|---|
| Drying Temperature | 90‑105 | °C |
| Drying Time | 2‑4 (3 recommended) | h |
| Barrel‑Rear Temperature | 220‑240 | °C |
| Barrel‑Middle Temperature | 230‑250 | °C |
| Barrel‑Front Temperature | 230‑250 | °C |
| Nozzle Temperature | 220‑250 | °C |
| Mold Temperature | 30‑70 | °C |
| Injection Pressure | 50‑70 (approx.4.9‑6.86) | kg/cm² or MPa |
| Holding Pressure | 40‑60 (approx.3.92‑5.88) | kg/cm² or MPa |
| Back Pressure | 5‑15 (approx.0.49‑1.47) | kg/cm² or MPa |
| Screw Speed | 30‑100 | rpm |
Note: All data above is for reference only.
