Chimei Polylac® PA-765B ABS

chimei polylac abs resin pa 765b

Polylac® PA-765B Flame Retardant Medium Impact

Polylac PA-765B ABS Resin is a flame-retardant plastic raw material. Perfect for electronics (TV frames, printers), power panels, and car audio consoles and coffee machines and modems.

Typical property data

Physical Properties
  • Melt Flow Index: 44 ml/10 min (ISO 1133, 220℃ × 10 kg)
  • Mass Density: 1.16 g/cm³ (ISO 1183, 23℃)
Mechanical Properties
  • Tensile Strength:
    • 39 MPa (yield, ISO 527, 50 mm/min)
    • 30 MPa (break, ISO 527, 50 mm/min)
  • Tensile Elongation: 15% (ISO 527, 50 mm/min)
  • Flexural Strength: 57 MPa (ISO 178, 2 mm/min)
  • Flexural Modulus: 1.8 GPa (ISO 178, 2 mm/min)
  • Izod Impact Strength:
    • 24 kJ/m² (23℃, Notched, ISO 180/1A)
    • 11 kJ/m² (-30℃, Notched, ISO 180/1A)
  • Charpy Impact Strength:
    • 25 kJ/m² (23℃, Notched, ISO 179)
    • 11 kJ/m² (-30℃, Notched, ISO 179)
Thermal Properties
  • Vicat Softening Temperature:
    • 94℃ (50℃/hr, 1 kg, ISO 306)
    • 80℃ (50℃/hr, 5 kg, ISO 306)
  • Heat Distortion Temperature:
    • 77℃ (1.8 MPa, unannealed, ISO 75/A)
    • 85℃ (1.8 MPa, annealed, ISO 75/A)
  • Coefficient of Linear Thermal Expansion: 8.55×10−58.55 \times 10^{-5} (ISO 11359)
Flammability
  • UL-94 Ratings:
  • 1.5 mm: V-2
  • 2.5 mm: V-0, 5VB
  • 3.0 mm: 5VA
Mold Shrinkage
  • Range: 0.3–0.6% (ISO 294-4)
Process Guide
  • Pre-drying Temperature/Time: 80–85°C for 2–4 hours (depending on humidity, reground resin ratio, and storage conditions).
  • Barrel Temperature Profile:
    • Max: 220°C, 220°C, 210°C
    • Min: 190°C, 190°C, 180°C
  • Mold Temperature: 40–70°C (varies with 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 are recommended.
  • Cushion Zone: Approx. 1/8 inch after injection for dimensional consistency.

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 765b application

Features & Benefits

Strong Flame Resistance

Polylac PA-765B meets strict UL94 ratings (1.5mm V-2 to 3.0mm 5VA), stopping fire spread in thin parts. Perfect for electronics and power panels needing safety.

Easy to Mold

With a 44 ml/10 min melt flow rate, it fills molds quickly and evenly. Reduces production time for items like printer casings or TV frames.

Tough in All Conditions

Survives -30°C to 80°C temperatures and resists impacts (24 KJ/m² at 23°C). Ideal for car batteries, coffee machines, and outdoor devices.

chimei polylac® pa 765b

PA-765B Related Flame Retardant Grades

TypeGrade No.ManufacturerBrandGrade/FeaturesUse/Applications
Flame Retardant ABSPA-765AChimeiPOLYLAC®High-flow FR; 1.5mm V-1, 2.1mm V-0 / 5VB, 2.5mm 5VA; MFI 48; Vicat 93°C; Izod 22Printer casings; TV frames; remote controls; coffee machines; car batteries
Flame Retardant ABSPA-765ChimeiPOLYLAC®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 21Printer casings; TV frames; modems; power outlets; remote controls; coffee machines
Flame Retardant ABSPA-764BChimeiPOLYLAC®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

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

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