Zhenjiang Chimei Polyrex® PG-383
Plastic Granules
Polyrex® PG-383 General Injection Molding Grade GPPS
Polyrex® PG-383 is a high-strength General Purpose Polystyrene (GPPS), designed for versatile applications in injection molding and extrusion. With outstanding mechanical durability and food-grade safety, it’s ideal for creating reliable, high-quality plastic products across industries.
Typical property data
Physical Properties
- Melt Flow Index (MFI):
- 2.7 cm³/10min (ISO 1133, at 200°C, 5kg)
- Density: 1.04 g/cm³ (ISO 1183, at 23°C)
Mechanical Properties
- Tensile Strength: 53 MPa (ISO 527, at 50 mm/min)
- Elongation at Break: 2.0% (ISO 527, at 50 mm/min)
- Flexural Strength: 85 MPa (ISO 178, at 2 mm/min)
- Flexural Modulus: 3.2 GPa (ISO 178, at 2 mm/min)
Impact Properties
- IZOD Impact Strength: 4.0 kJ/m² (ISO 180, at 4 mm, 23°C)
- Charpy Impact Strength: 2.7 kJ/m² (ISO 179, at 4 mm, 23°C)
Thermal Properties
- Vicat Softening Temperature: 101°C (ISO 306, 10N, 50°C/hr)
- Heat Deflection Temperature (HDT):
- 99°C (ISO 75-2, 1.8MPa, annealed)
- 85°C (ISO 75-2, 1.8MPa, unannealed)
Flame Characteristics
- UL Flammability Classification: HB (UL94, 1.5 mm specimen)
Use & Applications
- Disposable Tableware.
- Food Containers
- Toys and Stationery
Features & Benefits
1. High Strength for Durability
Polyrex® PG-383 delivers 53 MPa tensile strength, ensuring robust performance for demanding applications in various industries.
2. Versatile Processing Capabilities
Whether injection molding or extrusion, this GPPS resin offers consistent flow and reliability, enhancing production efficiency.
3. Food-Grade Safety Certified
Certified food-safe, Polyrex® PG-383 is ideal for creating products like food containers and utensils with confidence.