Chimei Polylac® PA-757 AB

chimei polylac abs resin pa 757 ab

Polylac® PA-757 AB High Flow Medium Impact ABS Resin

Polylac PA-757 AB is a high-gloss ABS resin with built-in antimicrobial protection, ideal for hygiene-focused products like kitchenware, medical devices, and home appliances. It offers medium impact strength, heat resistance up to 104°C, and easy molding with low shrinkage. Certified UL 94 HB for flammability and PLC 2 for electrical safety.

Associated Documents

ISO TDS
UL Product iQ
REACH SVHC
Process Guide

Typical property data

Physical Properties
  • Melt Flow Index: 19 ml/10 min (ISO 1133; 220℃ × 10KG)
  • Mass Density: 1.05 g/cm³ (ISO 1183; 23℃)
Mechanical Properties
  • Tensile Strength (Yield): 45 MPa (ISO 527; 50 mm/min)
  • Tensile Strength (Break): 34 MPa (ISO 527; 50 mm/min)
  • Tensile Elongation: 40% (ISO 527; 50 mm/min)
  • Flexural Strength: 76 MPa (ISO 178; 2 mm/min)
  • Flexural Modulus: 2.2 GPa (ISO 178; 2 mm/min)
  • Izod Impact Strength:
    • 23℃, Notched: 17 KJ/m² (ISO 180/1A)
    • -30℃, Notched: 8 KJ/m² (ISO 180/1A)
  • Charpy Impact Strength:
    • 23℃, Notched: 17 KJ/m² (ISO 179)
    • -30℃, Notched: 8 KJ/m² (ISO 179)
Thermal Properties
  • Vicat Softening Temperature:
    • 50℃/hr; 1KG: 104℃ (ISO 306)
    • 50℃/hr; 5KG: 100℃ (ISO 306)
  • Heat Distortion Temperature:
    • 1.8 MPa, Unannealed: 83℃ (ISO 75/A)
    • 1.8 MPa, Annealed: 98℃ (ISO 75/A)
  • Coefficient of Linear Thermal Expansion: 8.6×10−58.6 \times 10^{-5} (ISO 11359)
Flammability

UL-94 Rating: HB (1.5 mm)

Mold Shrinkage

Range: 0.4–0.7% (ISO 294-4)

Features & Benefits

Built-In Antimicrobial Protection

Chimei PA-757 AB fights bacteria growth, passing ISO 22196 and GB/T 31402-2015 standards. Ideal for medical tools, food containers, and surfaces needing hygiene—no extra coatings required.

Balanced Strength & Heat Resistance

Offers medium impact (17 KJ/m² at 23°C) and withstands heat up to 104°C. Perfect for appliances, outdoor gear, and parts exposed to temperature swings.

Easy Molding, Safe Performance

Low mold shrinkage (0.4–0.7%) ensures precise shaping. UL 94 HB flammability and CTI PLC 2 ratings guarantee safety for electronics and household goods.

chimei polylac pa 757 ab abs resin

Use & Applications

  • Daily necessities
  • Home appliances
  • Building materials
  • Medical related equipment
  • Food contact items
chimei polylac® pa 757 ab application

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