| About |
|---|
| POLYSTYRENE IMPACT 7240 is a very high impact polystyrene for the extrusion industry. This grade has been designed to be diluted with crystal polystyrene such as POLYSTYRENE CRYSTAL 1160, 1340, 1540 at high levels to obtain stiff and impact resistant sheet for thermoformed packaging. Applications Dairy sheet for Form-Fill-Seal, individual dairy pots, multilayer sheets in dilution with crystal polystyrene, cups, food trays, eggs boxes, disposables.&& |
| Product Description | |
|---|---|
| Supplier | TOTAL |
| Generic | PS (HIPS) |
| Material Status | Commercial: Active |
| Features | High impact resistance,Food contact compliance |
| Availabilitys | Europe |
| Process Methods | Thermo forming |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.04 | g/cm³ | ISO 1183 |
| Apparent density | 0.60 | g/cm³ | |
| Melt Flow Rate | |||
| 200℃，5.0kg | 4.5 | g/10min | ISO 1133 |
| Shrinkage rate | 0.40 to 0.70 | % | |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | < 0.10 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 11 | kJ/m² | ISO 179-1eA |
| Impact strength of cantilever beam notch | 11 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ISO 75-2/A | ||
| 1.8 MPa, unannealed | 74.0 | ℃ | ISO 75-2/A |
| 1.8 MPa, annealed | 90.0 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| A50 | 97.0 | ℃ | ISO 306/A50 |
| B50 | 87.0 | ℃ | ISO 306 |
| Linear coefficient of thermal expansion | |||
| MD | 9.1E-5 | 1/℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+14 | ohms | IEC 60093 |
| Dielectric strength | 150 | kV/mm |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 65 | ISO 2039-2 | |
| Tensile modulus | 1950 | MPa | ISO 527-2 |
| tensile strength | ISO 527-2 | ||
| yield | 23.0 | MPa | ISO 527-2 |
| fracture | 21.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 60 | % | ISO 527-2 |
| Bending modulus | 1850 | MPa | ISO 178 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |