Zhenjiang Chimei Polylac® PA-757K
Plastic Granules
Polylac® PA-757K General Grade Medium Impact Strength
Polylac® PA-757K is a general-grade ABS resin offering high rigidity, exceptional gloss, and medium impact strength. Its well-balanced properties make it the ideal choice for industries demanding a blend of aesthetics and durability, such as electronics, automotive, and consumer goods.
Typical property data
Physical Properties
- Melt Flow Rate (MFR):
- 1.6 cm³/10min (ISO 1133, 200°C, 5 kg)
- 18 cm³/10min (ISO 1133, 220°C, 10 kg)
- Density: 1.04 g/cm³ (ISO 1183, 23°C)
- Hardness: R-116 (ASTM D785)
Mechanical Properties
- Tensile Strength: 46 MPa (ISO 527, 50 mm/min)
- Elongation: 20% (ISO 527, 50 mm/min)
- Flexural Strength: 69 MPa (ISO 178, 2 mm/min)
- Flexural Modulus: 2.4 GPa (ISO 178, 2 mm/min)
Impact Properties
- IZOD Impact Strength: 18 kJ/m² (ISO 180, 4 mm, 23°C)
- Charpy Impact Strength: 20 kJ/m² (ISO 179, 4 mm, 23°C)
Thermal Properties
- Heat Deflection Temperature (HDT):
- Annealed: 98°C (ISO 75-2, 1.8 MPa)
- Unannealed: 83°C (ISO 75-2, 1.8 MPa)
- Vicat Softening Point: 103°C (ISO 306, 10N, 50°C/hr)
Flame Characteristics
- Flammability Rating: 1.5mm HB (UL94 File No. E194560)
Use & Applications
- Electronics: TV front bezels, photocopier housings, and telephone casings
- Consumer Goods: Cosmetic containers requiring high gloss
- Automotive: Wheel covers and other lightweight, durable components
Features & Benefits
1. High Gloss for Premium Finishes
Polylac® PA-757K delivers an outstanding surface finish, enhancing the visual appeal of products like TV bezels or cosmetic containers.
2. Excellent Dimensional Stability
With its high rigidity and flexural strength (69 MPa), this resin ensures trouble-free, precise molding for complex designs.
3. Versatile Impact Resistance
Its medium impact strength (IZOD: 18 kJ/m²) provides reliable durability, perfect for everyday-use products such as telephone casings.