POLYREX® PH-55Y PS Extrusion Grade
Chimei POLYREX PH-55Y is a high-impact polystyrene (HIPS) resin engineered for durability and compliance. Perfect for food containers, toys, and consumer goods, this polyrex® ps grade combines toughness with ease of processing, making it a top choice for manufacturers prioritizing safety and efficiency.
- Character: For general injection/for injection blowing
Key technical data (ISO)
- Melt Flow Rate: 18 g/10min (200°C)
- Density: 1.04 g/cm³
- Tensile Strength: 28 MPa
- Impact Strength: 8 kJ/m²
- Compliance: FDA, EU 10/2011
Applications
- Food Containers & Lids: Replace brittle plastics with food HIPS resin for leak-proof, microwavable trays that meet strict FDA standards.
- Toys & Electronics: Use POLYREX PH-55Y for shock-resistant toy casings or piano keys that endure heavy use without cracking.
- low-Molded Bottles: Achieve uniform wall thickness in beverage containers while reducing material waste.
Polyrex® PH-55Y Datasheet
| Food HIPS POLYREX® PH-55Y Product Description: Medium impact | ||||
| Properties | ISO Test Method | Test Condition | Unit | PH-55Y |
| Melt Flow Index | 1133 | 200℃×5KG | ml/10 min | 9 |
| Mass Density | 1183 | 23 ℃ | g/cm3 | 1.05 |
| Tensile Strength | 527 | 50 mm/min, yield | MPa | 27 |
| 50 mm/min, break | MPa | 25 | ||
| Tensile Elongation | 527 | 50 mm/min | % | 45 |
| Flexural Strength | 178 | 2 mm/min | MPa | 38 |
| Flexural Modulus | 2 mm/min | GPa | 1.3 | |
| Izod Impact Strength | 180/1A | 23℃, Notched | KJ/m2 | 7 |
| -30℃, Notched | KJ/m2 | 3 | ||
| Charpy Impact Strength | 179 | 23℃, Notched | KJ/m2 | 6 |
| -30℃, Notched | KJ/m2 | 3.6 | ||
| Vicat Softening Temp. | 306 | 50℃/hr;1KG | ℃ | 94 |
| 50℃/hr;5KG | ℃ | 87 | ||
| Heat Distortion Temp. | 75/A | 1.8MPa, unannealed | ℃ | 74 |
| 1.8MPa, annealed | ℃ | 87 | ||
| 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-55Y UL Product iQ
| ACRYREX® PH-55Y | 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 | |
| 1.6 mm, Color: ALL | HB | |
| 3.0 mm, Color: ALL | HB | |
| ISO/IEC FLAMMABILITY PROPERTIES | VALUE | TEST METHOD |
| Flammability | IEC 60695-11-10 | |
| 1.6 mm, Color: ALL | HB75 | |
| 3.0 mm, Color: ALL | HB40 | |
| ELECTRICAL PROPERTIES | VALUE | TEST METHOD |
| Hot-wire Ignition (HWI) | UL 746A | |
| 1.6 mm | PLC 4 | |
| 3.0 mm | PLC 3 | |
| High Amp Arc Ignition (HAI) | UL 746A | |
| 1.6 mm | PLC 0 | |
| 3.0 mm | PLC 0 | |
| Comparative Tracking Index (CTI) | PLC 1 | UL 746A |
| High Voltage Arc Tracking Rate (HVTR) | PLC 0 | |
| High Voltage, Low Current Arc Resistance | PLC 6 | |
| THERMAL PROPERTIES | VALUE | TEST METHOD |
| Relative Thermal Index – Electrical Strength | UL 746B | |
| 1.6 mm | 50 °C | |
| 3.0 mm | 50 °C | |
| Relative Thermal Index – Mechanical Impact | UL 746B | |
| 1.6 mm | 50 °C | |
| 3.0 mm | 50 °C | |
| Relative Thermal Index – Mechanical Strength | UL 746B | |
| 1.6 mm | 50 °C | |
| 3.0 mm | 50 °C | |
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Advanced Manufacturing
