Chimei Polylac® PA-764G ABS
Plastic Granules
Polylac® PA-764G Flame Retardant Grade
POLYLAC PA-764G is a flame-retardant ABS resin engineered for high heat resistance and safety compliance. With UL94 ratings of V-2 (0.75mm), V-0 (1.0mm), and 5VA (2.5mm), it delivers reliability in thin-walled applications. Ideal for electronics, automotive, and industrial components requiring stringent fire safety.
Typical property data
Physical Properties
- Melt Flow Index: 34 ml/10 min (ISO 1133, 220℃×10KG)
- Mass Density: 1.22 g/cm³ (ISO 1183, 23℃)
Mechanical Properties
- Tensile Strength (Yield): 34 MPa (ISO 527, 50 mm/min)
- Tensile Strength (Break): 27 MPa (ISO 527, 50 mm/min)
- Tensile Elongation: 15% (ISO 527, 50 mm/min)
- Flexural Strength: 54 MPa (ISO 178, 2 mm/min)
- Flexural Modulus: 1.8 GPa (ISO 178, 2 mm/min)
- Izod Impact Strength (Notched, 23℃): 13 KJ/m² (ISO 180/1A)
- Izod Impact Strength (Notched, -30℃): 7 KJ/m² (ISO 180/1A)
- Charpy Impact Strength (Notched, 23℃): 12 KJ/m² (ISO 179)
- Charpy Impact Strength (Notched, -30℃): 7 KJ/m² (ISO 179)
Thermal Properties
- Vicat Softening Temperature:
- 101℃ (ISO 306, 50℃/hr; 1KG)
- 90℃ (ISO 306, 50℃/hr; 5KG)
- Heat Distortion Temperature (Unannealed): 82℃ (ISO 75/A, 1.8MPa)
- Heat Distortion Temperature (Annealed): 92℃ (ISO 75/A, 1.8MPa)
- Coefficient of Linear Thermal Expansion: 8.3×10−58.3 \times 10^{-5} (ISO 11359)
Flammability
- UL-94 Rating: 0.75 mm, V-2; 1.0 mm, V-0; 2.5 mm, 5VA
Mold Shrinkage
- Shrinkage Range: 0.3–0.6% (ISO 294-4)
Process Guide
- Pre-drying: 80–85°C for 2–4 hours (depends on humidity, reground resin ratio, and storage conditions)
- Barrel Temperature (Min–Max): 180–220°C
- Mold Temperature: 40–70°C
- Injection Pressure: 50–80%
- Holding Pressure: 20–50%
- Back Pressure: 5–10 kg/cm²
- Injection Speed: Slow to moderate
- Cushion Zone: Approximately 1/8” after injection
Use & Applications
- Electronics & IT: Printer casings, modems, fax machines, projectors, remote controls, DVD players.
- Automotive & Industrial: Car audio consoles, power outlets, machine boxes, car battery housings.
- Appliances & Consumer Goods: Coffee machines, cash register shells, light boxes, TV frames, power panels.
- Safety-Critical Components: Large-scale multifunctional peripherals, displays, front/rear TV frames.
Features & Benefits
Superior Flame Retardancy
PA-764G meets UL94 V-0 (1.0mm) and 5VA (2.5mm) standards, ensuring compliance with global fire safety regulations. Reduces risk in high-heat environments like power panels or car batteries.
High Heat Resistance
Vicat softening temperature of 101°C and heat distortion resistance up to 92°C (annealed) ensure stability in demanding applications, such as coffee machines or printer casings.
Robust Mechanical Performance
It combines tensile strength (34 MPa) and impact resistance (13 KJ/m² at 23°C), perfect for durable enclosures like modems, projectors, or TV frames.
PA-764G Related Flame Retardant Grades
| Type | Grade No. | Manufacturer | Brand | Grade/Features | Use/Applications |
|---|---|---|---|---|---|
| Flame Retardant ABS | PA-764 | Chimei | POLYLAC® | FR + weather resistant; 1.5mm V-0 / 5VB, 2.5mm 5VA; MFI 28; Vicat 101°C; Izod 13 | Car batteries; power panels; TV frames; printer casings; coffee machines |
| Flame Retardant ABS | PA-764B | Chimei | POLYLAC® | FR + weather resistant; 2.5mm V-0 / 5VB, 3.0mm 5VA; MFI 26; Vicat 102°C; HDT 93°C; Izod 14; elongation 15% | TV frames; printer casings; power outlets; outdoor appliance housings; car audio consoles |
| Flame Retardant ABS | PA-763 | Chimei | POLYLAC® | High-impact FR; 1.5mm V-0, 2.5mm 5VA; MFI 25; Vicat 103°C; Izod 22; cold-tough | Machine boxes; printer casings; power outlets; outdoor displays; coffee machines |
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