Zhenjiang Chimei Polyrex® PH-888H
Plastic Granules
Polyrex® PH-888H High Impact Resistance Grade HIPS
Polyrex® PH-888H is a high impact resistance HIPS resin, engineered for superior drop impact strength and heat endurance. With 10 kJ/m² IZOD impact, 96°C HDT, and smooth 3.8 cm³/10min flow, it delivers reliable toughness and easy molding for durable daily-use products.
Typical property data
Physical Properties
- Melt Flow Index (MFI):
- 3.8 cm³/10 min (ISO 1133, at 200℃ and 5 kg)
- Density: 1.05 g/cm³ (ISO 1183, tested at 23℃)
Mechanical Properties
- Tensile Strength: 30 MPa (ISO 527, at 50 mm/min)
- Elongation at Break: 50% (ISO 527, at 50 mm/min)
- Flexural Strength: 39 MPa (ISO 178, at 2 mm/min)
- Flexural Modulus: 1.5 GPa (ISO 178, at 2 mm/min)
Impact Properties
- Izod Notched Impact Strength: 10 kJ/m² (ISO 180, at 4 mm/23℃)
- Charpy Impact Strength: 9 kJ/m² (ISO 179, at 4 mm/23℃)
Thermal Properties
- Vicat Softening Temperature: 92℃ (ISO 306, 10N, at 50℃/hour)
- Heat Deflection Temperature (HDT):
- Annealed: 96℃ (ISO 75-2, at 1.8 MPa)
- Unannealed: 79℃ (ISO 75-2, at 1.8 MPa)
Flame Characteristics
- UL Flammability Rating: HB (File No. E194560, tested at 1.5 mm thickness)
Use & Applications
- Daily Necessities
- Toys
- Electronic Product Housings
- Refrigerator & Appliance Interiors
- Office Equipment
Features & Benefits
1. Outstanding Drop Impact Resistance
Polyrex® PH-888H delivers 10 kJ/m² IZOD impact strength, protecting products from cracks during everyday drops and rough handling.
2. Reliable Heat Resistance Performance
With 96°C HDT and 92°C softening point, PH-888H maintains shape and strength in warm storage or operating environments.
3. Smooth Flow Easy Processing
A 3.8 cm³/10min melt flow ensures PH-888H fills complex molds cleanly, reducing defects and speeding up production cycles.