| About |
|---|
| TOTAL POLYSTYRENE 4440H is a high melt flow, high impact polystyrene specially designed for (hard to fill) injection molding applications. Its high fluidity makes it particularly suitable for the molding of large parts and the use of gas injection techniques. Applications TV Back Cover Office Automation Electrical and Electronic&& |
| Product Description | |
|---|---|
| Supplier | INEOS |
| Generic | PS (HIPS) |
| Material Status | Commercial: Active |
| Features | High liquidity,HB,High impact resistance |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.04 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 13 | g/10min | ISO 1133 |
| Spiral flow length | 55.0 | cm | |
| Shrinkage rate | 0.40 to 0.70 | % | |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.070 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 10 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | |||
| A50 | 95.0 | ℃ | ISO 306/A50 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+13 | ohms | IEC 60093 |
| Dielectric strength | 150 | kV/mm |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 95 | ISO 2039-2 | |
| tensile strength | |||
| yield | 21.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 60 | % | ISO 527-2 |
| Bending modulus | 1750 | MPa | ISO 178 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| drying temperature | 70 | °C | |
| Drying time | 2.0 | hr | |
| Processing (melt) temperature | < 240 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Melt Temperature: 428°F |
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