Chimei Polylac® PA-757 ABS
Polylac® PA-757 High Flow Medium Impact ABS Resin
Polylac PA-757 is a high-gloss ABS resin from Chimei, featuring excellent rigidity and medium impact strength. With a melt flow index of 19 ml/10 min, it offers ease of processing. PA-757 provides heat resistance, making it an ideal choice for manufacturers seeking quality and value.
Associated Documents
ISO TDS
ASTM TDS
MSDS
RoHS
SVHC
UL Product iQ
Processing Data
Typical property data
Physical Properties
- Melt Flow Index: 19 ml/10 min (ISO 1133, 220℃ × 10 kg)
- Mass Density: 1.05 g/cm³ (ISO 1183, 23℃)
Mechanical Properties
- Tensile Strength (Yield): 47 MPa (ISO 527, 50 mm/min)
- Tensile Strength (Break): 34 MPa (ISO 527, 50 mm/min)
- Tensile Elongation: 45% (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 (Notched, 23℃): 19 KJ/m² (ISO 180/1A)
- Izod Impact Strength (Notched, -30℃): 9 KJ/m² (ISO 180/1A)
- Charpy Impact Strength (Notched, 23℃): 21 KJ/m² (ISO 179)
- Charpy Impact Strength (Notched, -30℃): 10 KJ/m² (ISO 179)
Thermal Properties
- Vicat Softening Temperature (1 kg): 104℃ (ISO 306, 50℃/hr)
- Vicat Softening Temperature (5 kg): 99℃ (ISO 306, 50℃/hr)
- Heat Distortion Temperature (1.8 MPa, Unannealed): 83℃ (ISO 75/A)
- Heat Distortion Temperature (1.8 MPa, Annealed): 98℃ (ISO 75/A)
- Coefficient of Linear Thermal Expansion: 8.6 × 10⁻⁵ (ISO 11359)
Flammability
Flammability Rating: HB (UL-94, 1.5 mm)
Mold Shrinkage
Mold Shrinkage: 0.4–0.7% (ISO 294-4)
Features & Benefits
High Gloss Finish with Robust Rigidity
Polylac PA-757 stands out with its striking high gloss and excellent rigidity, boasting a density of 1.05 g/cm³. This makes it perfect for applications that require both aesthetic appeal and structural strength.
Solid Impact Performance
With an Izod impact strength of 19 kJ/m² at room temperature and 9 kJ/m² at -30°C, PA-757 provides reliable durability in both standard and low-temperature conditions. It’s an excellent choice for electronic casings and home appliances that encounter daily wear and tear.
Efficient Processing Capabilities
Designed for smooth processing, PA-757 has a melt flow index of 19 ml/10 min, enabling quick production cycles. Its low mold shrinkage of 0.4–0.7% allows for precise part formation, reducing waste and enhancing manufacturing efficiency.
Use & Applications
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