Chimei Polylac® PA-763H ABS
Plastic Granules
Polylac® PA-763H Flame Retardant Grade Light Resistance
POLYLAC® PA-763H is a flame-retardant ABS resin engineered for high-flow molding, heat resistance (up to 102°C Vicat), and superior light stability. Certified for 1.5mm V-0, 5VB, and 2.5mm 5VA flammability (non-TBBA), it’s ideal for demanding applications in electronics, automotive, and appliances.
Typical property data
Physical Properties
- Melt Flow Index: 47 ml/10 min (ISO 1133, 220°C × 10 kg)
- Mass Density: 1.19 g/cm³ (ISO 1183, 23°C)
Mechanical Properties
- Tensile Strength:
- At yield: 40 MPa (ISO 527, 50 mm/min)
- At break: 29 MPa (ISO 527, 50 mm/min)
- Tensile Elongation: 13% (ISO 527, 50 mm/min)
- Flexural Strength: 60 MPa (ISO 178, 2 mm/min)
- Flexural Modulus: 2.1 GPa (ISO 178, 2 mm/min)
- Izod Impact Strength (Notched):
- 17 kJ/m² at 23°C (ISO 180/1A)
- 8 kJ/m² at -30°C (ISO 180/1A)
- Charpy Impact Strength (Notched):
- 17 kJ/m² at 23°C (ISO 179)
- 8 kJ/m² at -30°C (ISO 179)
Thermal Properties
- Vicat Softening Temperature:
- 102°C (50°C/hr, 1 kg, ISO 306)
- 89°C (50°C/hr, 5 kg, ISO 306)
- Heat Distortion Temperature (HDT):
- 75°C (1.8 MPa, unannealed, ISO 75/A)
- 92°C (1.8 MPa, annealed, ISO 75/A)
- Coefficient of Linear Thermal Expansion: 8.45×10−58.45 \times 10^{-5} (ISO 11359)
Flammability
- 1.5 mm: V-0 (UL-94)
- 1.5 mm: 5VB (UL-94)
- 2.5 mm: 5VA (UL-94)
Mold Shrinkage
Value: 0.3–0.6% (ISO 294-4)
Process Guide
- Pre-drying: 80–85°C for 2–4 hours
- Factors: Humidity, reground resin ratio, storage conditions
- Barrel Temperature Profile:
- Maximum: 220°C, 220°C, 210°C
- Minimum: 190°C, 190°C, 180°C
- Mold Temperature: 40–70°C
- Factors: Thickness, dimensions, gate and runner system
- Injection Pressure: 50–80%
- Holding Pressure: 20–50%
- Back Pressure: 5–10 kg/cm²
- Injection Speed: Slow to moderate fill speeds recommended
- Cushion Zone: ~1/8 inch after injection for dimensional consistency
Features & Benefits
High-Flow Efficiency
With a melt flow index of 47 ml/10 min, PA-763H fills intricate molds rapidly, reducing cycle times and energy costs. Perfect for thin-walled components like printer casings or power outlets.
Reliable Flame Retardancy
It achieves UL 94 V-0/5VB/5VA ratings at minimal thicknesses, ensuring compliance with strict safety standards. Ideal for electrical panels, car audio consoles, and appliances where fire safety is critical.
Heat & Weather Resistance
It withstands temperatures up to 92°C (HDT) and resists UV degradation, making it durable for outdoor light boxes, TV frames, and automotive battery housings.
Use & Applications
- Electronics: Displays, modems, power panels, DVD players, remote controls.
- Automotive: Car batteries, audio consoles, rearview mirror housings.
- Office Equipment: Printer casings, fax machines, projectors, cash registers.
- Appliances: Coffee machines, power outlets, front/rear TV frames.
- Industrial: Machine boxes, large-scale multifunctional peripherals.
PA-763H Related Flame Retardant Grades
| Type | Grade No. | Manufacturer | Brand | Grade/Features | Use/Applications |
|---|---|---|---|---|---|
| Flame Retardant ABS | PA-763AH | Chimei | POLYLAC® | High-flow FR, light stable; 2.0mm V-0 / 5VB, 2.5mm 5VA; MFI 45; Vicat 102°C; Izod 16 | Modems; power panels; printer casings; projectors; DVD players; TV frames |
| 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 |
| Flame Retardant ABS | PA-765A | Chimei | POLYLAC® | High-flow FR; 1.5mm V-1, 2.1mm V-0 / 5VB, 2.5mm 5VA; MFI 48; Vicat 93°C; Izod 22 | Printer casings; TV frames; remote controls; coffee machines; car batteries |
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