Polyrex® PH-88S HIPS Extrusion Grade High Impact
Chimei POLYREX PH-88S is a High Impact HIPS resin engineered for extrusion molding. With superior toughness, heat resistance (Vicat 100°C), and easy processing, it’s ideal for durable industrial parts, food packaging, and appliances like washing machine casings.
- Character: Extrusion molding
Key technical data (ISO)
- Melt Flow Index: 2.6 ml/10 min (200°C, 5KG)
- Izod Impact Strength: 13 KJ/m² (23°C), 8 KJ/m² (-30°C)
- Vicat Softening Temp: 100°C (1KG load)
- Flammability: UL94 HB (1.5mm)
- Mold Shrinkage: 0.4–0.7%
Applications
- Disposable Cups & Food Packaging
- Washing Machine Inner Casings
- Spools & Profile Extrusions
- Outdoor Equipment
Polyrex® PH-88S Datasheet
| Extrusion HIPS POLYREX® PH-88S Product Description: Extrusion | ||||
| Properties | ISO Test Method | Test Condition | Unit | PH-88S |
| Melt Flow Index | 1133 | 200℃×5KG | ml/10 min | 2.6 |
| Mass Density | 1183 | 23 ℃ | g/cm3 | 1.05 |
| Tensile Strength | 527 | 50 mm/min, yield | MPa | 28 |
| 50 mm/min, break | MPa | 24 | ||
| Tensile Elongation | 527 | 50 mm/min | % | 55 |
| Flexural Strength | 178 | 2 mm/min | MPa | 34 |
| Flexural Modulus | 2 mm/min | GPa | 1.4 | |
| Izod Impact Strength | 180/1A | 23℃, Notched | KJ/m2 | 13 |
| -30℃, Notched | KJ/m2 | 8 | ||
| Charpy Impact Strength | 179 | 23℃, Notched | KJ/m2 | 14 |
| -30℃, Notched | KJ/m2 | 9 | ||
| Vicat Softening Temp. | 306 | 50℃/hr;1KG | ℃ | 100 |
| 50℃/hr;5KG | ℃ | 89 | ||
| Heat Distortion Temp. | 75/A | 1.8MPa, unannealed | ℃ | 77 |
| 1.8MPa, annealed | ℃ | 94 | ||
| Coefficient of Linear Thermal Expansion | 11359 | – | – | 4~6×10-5 |
| Flammability | – | UL-94 | – | 1.5mm HB |
| Mold Shrinkage | 294-4 | – | % | 0.4~0.7 |
| Symbol | 1043 | – | – | >PS-HI< |
| March 11, 2024 Notes：These are typical properties only and are not to be construed as specifications. Users should confirm results by their own test | ||||
Polyrex® PH-88S UL Product iQ
| ACRYREX® PH-88S | UL Product iQ | ||
| File Number: E56070 | Yellow Card™ | Polystyrene (PS) “POLYREX”, furnished as pellets or powder |
| FLAMMABILITY PROPERTIES | VALUE | TEST METHOD |
| Flammability | ANSI/UL 94 | |
| 1.5 mm, Color: ALL | HB | |
| 3.0 mm, Color: ALL | HB | |
| ISO/IEC FLAMMABILITY PROPERTIES | VALUE | TEST METHOD |
| Flammability | IEC 60695-11-10 | |
| 1.5 mm, Color: ALL | HB75 | |
| 3.0 mm, Color: ALL | HB40 | |
| ELECTRICAL PROPERTIES | VALUE | TEST METHOD |
| Hot-wire Ignition (HWI) | UL 746A | |
| 1.5 mm | PLC 3 | |
| 3.0 mm | PLC 3 | |
| High Amp Arc Ignition (HAI) | UL 746A | |
| 1.5 mm | PLC 0 | |
| 3.0 mm | PLC 0 | |
| High Voltage Arc Tracking Rate (HVTR) | PLC 3 | |
| High Voltage, Low Current Arc Resistance | PLC 6 | |
| THERMAL PROPERTIES | VALUE | TEST METHOD |
| Relative Thermal Index – Electrical Strength | UL 746B | |
| 1.5 mm | 50 °C | |
| 3.0 mm | 50 °C | |
| Relative Thermal Index – Mechanical Impact | UL 746B | |
| 1.5 mm | 50 °C | |
| 3.0 mm | 50 °C | |
| Relative Thermal Index – Mechanical Strength | UL 746B | |
| 1.5 mm | 50 °C | |
| 3.0 mm | 50 °C | |
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