Zhenjiang Chimei Polyrex® PH-88SF
Plastic Granules
Polyrex® PH-88SF Extrusion Grade HIPS
Polyrex® PH-88SF is an extrusion-grade High Impact Polystyrene (HIPS) resin, engineered for refrigerator sheet applications. Offering IZOD impact of 10.8 kJ/m², 3.4 cm³/10min melt flow, and 93°C HDT, it delivers the toughness, thermoformability, and processing stability appliance manufacturers demand.
Typical property data
Physical Properties
- Melt Flow Rate (MFR):
- At 200°C, 5 kg: 3.4 cm³/10min (ISO 1133)
- At 220°C, 10 kg: No data provided.
- Density: 1.03 g/cm³ (ISO 1183, 23°C)
Mechanical Properties
- Tensile Strength: 20 MPa (ISO 527, 50 mm/min)
- Elongation: 75% (ISO 527, 50 mm/min)
- Flexural Strength: 30 MPa (ISO 178, 2 mm/min)
- Flexural Modulus: 1.6 GPa (ISO 178, 2 mm/min)
Impact Properties
- Izod Impact Strength: 10.8 kJ/m² (ISO 180, 4 mm/23°C)
- Charpy Impact Strength: 11.5 kJ/m² (ISO 179, 4 mm/23°C)
Thermal Properties
- Vicat Softening Temperature: 91°C (ISO 306, 10 N, 50°C/hr)
- Heat Deflection Temperature (HDT):
- Annealed (1.8 MPa): 93°C (ISO 75-2)
- Unannealed (1.8 MPa): 75°C (ISO 75-2)
Flame Characteristics
- UL Rating: HB, 1.5 mm (File No. E194560)
Use & Applications
- Refrigerator Inner Liners & Door Panels
- Small Household Appliance Housings
- Thermoformed Sheet & Packaging
- Display Boards & POP Signage
- Cold-Chain & Refrigeration Equipment
- Toys & Stationery Products
Features & Benefits
1. Outstanding Impact Toughness
With IZOD impact at 10.8 kJ/m² and Charpy at 11.5 kJ/m², Polyrex® PH-88SF shrugs off knocks during shipping, assembly, and daily refrigerator use.
2. Smooth, Stable Extrusion Performance
A balanced 3.4 cm³/10min melt flow ensures uniform sheet thickness and glossy surfaces, reducing scrap rates and extruder downtime on high-volume lines.
3. Excellent Thermoforming Heat Resistance
A 91°C Vicat softening point and 93°C HDT allow deep-draw forming of refrigerator liners without sagging, warping, or losing dimensional accuracy.