Polyrex® PH-888G HIPS Extrusion Grade High Gloss
Chimei POLYREX PH-888G is a high-impact, high-gloss HIPS resin engineered for durability and aesthetics. The material solves pain points in manufacturing—combining toughness, heat stability, and a ready-to-use finish, perfect for appliances, electronics, and industrial components. Trusted by engineers for demanding applications.
- Character: Heat and impact resistant, high gloss
Key technical data (ISO)
- Impact Strength: 11 KJ/m² (23°C) | 5 KJ/m² (-30°C)
- Heat Resistance: Vicat Softening Point 102°C | Heat Distortion Temp 79–95°C
- Mechanical Strength: Tensile Strength 35 MPa | Flexural Strength 48 MPa
- Safety Compliance: UL94 HB flammability rating (1.5mm)
- Ease of Molding: Low shrinkage (0.4–0.7%)
Applications
- Indoor Air-Conditioning Panels: Heat resistance prevents warping near motors.
- Ceiling-Mounted Extractor Fans: Impact strength handles vibrations and accidental impacts.
- Monitor Screen Housings: High gloss eliminates secondary painting, cutting costs.
Polyrex® PH-888G Datasheet
| High Gloss HIPS POLYREX® PH-888G Product Description: High impact, High gloss | ||||
| Properties | ISO Test Method | Test Condition | Unit | PH-888G |
| Melt Flow Index | 1133 | 200℃×5KG | ml/10 min | 4 |
| Mass Density | 1183 | 23 ℃ | g/cm3 | 1.03 |
| Tensile Strength | 527 | 50 mm/min, yield | MPa | 35 |
| 50 mm/min, break | MPa | 28 | ||
| Tensile Elongation | 527 | 50 mm/min | % | 45 |
| Flexural Strength | 178 | 2 mm/min | MPa | 48 |
| Flexural Modulus | 2 mm/min | GPa | 2.2 | |
| Izod Impact Strength | 180/1A | 23℃, Notched | KJ/m2 | 11 |
| -30℃, Notched | KJ/m2 | 5 | ||
| Charpy Impact Strength | 179 | 23℃, Notched | KJ/m2 | 10 |
| -30℃, Notched | KJ/m2 | 5.5 | ||
| Vicat Softening Temp. | 306 | 50℃/hr;1KG | ℃ | 102 |
| 50℃/hr;5KG | ℃ | 92 | ||
| Heat Distortion Temp. | 75/A | 1.8MPa, unannealed | ℃ | 79 |
| 1.8MPa, annealed | ℃ | 95 | ||
| 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-888G UL Product iQ
| ACRYREX® PH-888G | 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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