Chimei Polylac® PA-765A ABS

chimei polylac abs resin pa 765a

Polylac® PA-765A Flame Retardant High Flow

POLYLAC PA-765A is a flame-retardant ABS resin. It meets strict fire standards (UL94 V-0 at 2.1mm, 5VA at 2.5mm), ideal for electronics, car parts, and appliances. Its high flow (48 ml/10min) fills complex molds smoothly, perfect for thin walls like power outlets or printer casings.

Typical property data

Physical Properties
  • Melt Flow Index: 48 ml/10 min (ISO 1133, 220℃ × 10KG)
  • Mass Density: 1.17 g/cm³ (ISO 1183, 23℃)
Mechanical Properties
  • Tensile Strength:
    • Yield: 39 MPa (ISO 527, 50 mm/min)
    • Break: 29 MPa (ISO 527, 50 mm/min)
  • Tensile Elongation: 10% (ISO 527, 50 mm/min)
  • Flexural Strength: 56 MPa (ISO 178, 2 mm/min)
  • Flexural Modulus: 1.8 GPa (ISO 178, 2 mm/min)
  • Izod Impact Strength:
    • 23℃, Notched: 22 KJ/m² (ISO 180/1A)
    • -30℃, Notched: 10 KJ/m² (ISO 180/1A)
  • Charpy Impact Strength:
    • 23℃, Notched: 23 KJ/m² (ISO 179)
    • -30℃, Notched: 10 KJ/m² (ISO 179)
Thermal Properties
  • Vicat Softening Temperature:
    • 50℃/hr, 1KG: 93℃ (ISO 306)
    • 50℃/hr, 5KG: 79℃ (ISO 306)
  • Heat Distortion Temperature:
    • 1.8 MPa, Unannealed: 76℃ (ISO 75/A)
    • 1.8 MPa, Annealed: 84℃ (ISO 75/A)
  • Coefficient of Linear Thermal Expansion: 8.48×10−58.48 × 10^{-5} (ISO 11359)
Flammability
  • UL-94 Ratings:
  • 1.5 mm: V-1
  • 2.1 mm: V-0
  • 2.1 mm: 5VB
  • 2.5 mm: 5VA
Mold Shrinkage
  • Range: 0.3% – 0.6% (ISO 294-4)
Process Guide
  • Pre-drying Conditions: 80 ~ 85℃ for 2 ~ 4 hours (depending on humidity, reground resin ratio, and storage conditions).
  • Barrel Temperature Profile:
    • Maximum: 220℃ / Minimum: 180℃
  • Mold Temperature: 40 ~ 70℃ (adjusted for thickness, dimensions, gate, and runner systems).
  • Injection Pressure: 50 ~ 80%
  • Holding Pressure: 20 ~ 50%
  • Back Pressure: 5 ~ 10 kg/cm²
  • Injection Speed: Slow to moderate fill speeds recommended.
  • Machine Downtime: Reduce barrel, nozzle, and melt temperature to around 95℃ for prolonged shutdowns to prevent thermal degradation.

Use & Applications

Displays, machine boxes, modems, power panels, power outlets, car batteries, cash register shells, printer casings, remote control, light boxes, fax machines, projectors, large-scale multifunctional peripherals, coffee machine, front and rear TV frames, DVD players, car audio consoles

chimei polylac® pa 765a application

Features & Benefits

Superior Flame Resistance

POLYLAC PA-765A meets UL94 V-0 at 2.1mm and 5VA at 2.5mm, ensuring fire safety for electronics, outlets, and car parts. Complies with global standards.

Easy-to-Mold High Flow

With a melt flow of 48 ml/10min, it fills thin, complex shapes smoothly—perfect for printer casings, TV frames, and remote controls.

Tough & Heat-Resistant

Survives impacts (22 kJ/m²) and heat up to 93°C, ideal for coffee machines, car batteries, and industrial gear. UL and Yellow Card certified.

chimei polylac® pa 765a

PA-765A Related Flame Retardant Grades

Type Grade No. Manufacturer Brand Grade/Features Use/Applications
Flame Retardant ABS PA-765B Chimei POLYLAC® Medium-impact FR; 1.5mm V-2, 2.5mm V-0 / 5VB, 3.0mm 5VA; MFI 44; Vicat 94°C; Izod 24 TV frames; printer casings; power panels; car audio consoles; modems
Flame Retardant ABS PA-765 Chimei POLYLAC® F.R. high flow; 1.0mm V-1, 1.5mm V-0 / 5VB, 2.5mm 5VA, 3.0mm 5VA; MFI 58; Vicat 91°C; Izod 21 Printer casings; TV frames; modems; power outlets; remote controls; coffee machines
Flame Retardant ABS PA-763H Chimei POLYLAC® High-flow FR + light stability; 1.5mm V-0 / 5VB, 2.5mm 5VA; MFI 47; Vicat 102°C Printer casings; power outlets; car audio consoles; TV frames; outdoor light boxes

← Back to Chimei Flame Retardant ABS Resin — view the full POLYLAC® FR-ABS portfolio, UL 94 ratings and processing guide.

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