Plastic Granules
Polylac® PA-749K General-grade Ultra-high Impact Strength
Polylac® PA-749K is a general-grade ABS plastic resin known for its ultra-high impact strength and excellent moldability. This versatile material delivers exceptional durability, thermal stability, and reliable performance, making it ideal for demanding industrial applications.
Typical property data
Physical Properties
- Melt Flow Rate (MFR):
- 0.9 cm³/10 min (ISO 1133, 200°C, 5 kg)
- 10 cm³/10 min (ISO 1133, 220°C, 10 kg)
- Density: 1.03 g/cm³ (ISO 1183, 23°C)
Mechanical Properties
- Tensile Strength: 40 MPa (ISO 527, 50 mm/min)
- Elongation: 30% (ISO 527, 50 mm/min)
- Flexural Strength: 60 MPa (ISO 178, 2 mm/min)
- Flexural Modulus: 2.0 GPa (ISO 178, 2 mm/min)
- Hardness: R-102 (ASTM D785)
Impact Properties
- IZOD Impact Strength: 29 kJ/m² (ISO 180, 4 mm, 23°C)
- Charpy Impact Strength: 31 kJ/m² (ISO 179, 4 mm, 23°C)
Thermal Properties
- Vicat Softening Temperature: 101°C (ISO 306, 10N, 50°C/hour)
- Heat Deflection Temperature (HDT):
- 96°C (ISO 75-2, 1.8 MPa, annealed)
- 81°C (ISO 75-2, 1.8 MPa, unannealed)
Flame Characteristics
- Flammability Rating: HB (UL 94, 1.5 mm)
Use & Applications
- Safety helmets
- Motorcycle fenders
- Shoe heels
- Snow sports equipment
- Water filter housings
Features & Benefits
1. Ultra-High Impact Strength
Polylac® PA-749K withstands heavy impacts, ensuring durability for safety-critical products like helmets and sporting goods.
2. Excellent Thermal Stability
With a Vicat softening point of 101°C, this resin resists deformation under elevated temperatures, ensuring reliability.
3. Easy Processing Versatility
Optimized flow rates ensure efficient molding, supporting rapid production of consistent, high-quality parts at scale.