Chimei Polylac® PA-758R MABS

chimei polylac pa 758r mabs resin

Polylac® PA-758R Transparent with Blue Tint MABS Resin

Polylac PA-758R is a transparent ABS resin by Chimei featuring excellent chemical resistance and high rigidity. This versatile material offers good flowability and consistent colorability, making it ideal for vacuum cleaner casings and washing machine covers. PA-758R combines clarity with durability for lasting performance.

Associated Documents

ISO TDS
ASTM TDS
UL Product iQ
Processing Data

Typical property data

Physical Properties
  • Melt Flow Index: 2.2 ml/10 min (ISO 1133, 200℃ × 5 kg)
  • Mass Density: 1.08 g/cm³ (ISO 1183, 23℃)
Mechanical Properties
  • Tensile Strength (Yield): 45 MPa (ISO 527, 50 mm/min)
  • Tensile Strength (Break): 33 MPa (ISO 527, 50 mm/min)
  • Tensile Elongation: 45% (ISO 527, 50 mm/min)
  • Flexural Strength: 62 MPa (ISO 178, 2 mm/min)
  • Flexural Modulus: 2.1 GPa (ISO 178, 2 mm/min)
  • Izod Impact Strength (Notched, 23℃): 15 kJ/m² (ISO 180/1A)
  • Izod Impact Strength (Notched, -30℃): 8 kJ/m² (ISO 180/1A)
  • Charpy Impact Strength (Notched, 23℃): 15 kJ/m² (ISO 179)
  • Charpy Impact Strength (Notched, -30℃): 8 kJ/m² (ISO 179)
Thermal Properties
  • Vicat Softening Temperature: 102℃ (50℃/hr, 1 kg) and 94℃ (50℃/hr, 5 kg) (ISO 306)
  • Heat Distortion Temperature:
    • 75℃ (1.8 MPa, unannealed) (ISO 75/A)
    • 95℃ (1.8 MPa, annealed) (ISO 75/A)
  • Coefficient of Linear Thermal Expansion: 8.7×10−58.7 \times 10^{-5} (ISO 11359)
Flammability

Flammability Rating: HB (UL-94, 1.5mm)

Mold Shrinkage

Shrinkage: 0.3% ~ 0.7% (ISO 294-4)

Process Guide
  • Predrying: 85℃ for 3~5 hours (depends on humidity, regrind ratio, and storage conditions)
  • Barrel Temperature Settings:
    • Metering Zone: 220~250℃
    • Compression Zone: 220~250℃
    • Feeding Zone: 200~220℃
    • Recommended Processing Temperature: 230~240℃
  • Mold Temperature: 50~70℃ (depends on thickness, dimensions, and gate/runner system)
  • Injection Pressure: 50~80 kg/cm²
  • Holding Pressure: 20~50 kg/cm²
  • Back Pressure: 5~10 kg/cm²
  • Purging: Use PA-758 or high-flow PMMA for purging; avoid other clear plastics like PS, SAN, or other MABS.

Features & Benefits

Crystal-Clear Aesthetic Appeal

Polylac PA-758R ASA resin offers transparent, blue-tinted clarity perfect for sleek designs. Its consistent color retention ensures vibrant, professional finishes for appliances like air conditioner panels and 3C electronics.

Built Tough, Lasts Longer

With high rigidity (45 MPa tensile strength) and impact resistance (15 KJ/m²), PA-758R handles daily wear effortlessly. Ideal for vacuum cleaner casings and tough household appliances that demand durability.

Chemical & Heat Resistant

Resists oils, cleaners, and high temps (102°C Vicat). Safeguards washing machine covers and industrial parts from harsh environments, keeping surfaces smooth and damage-free for years.

polylac pa 758r mabs resin

Use & Applications

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chimei polylac® pa 758r application

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