Product description: General purpose polystyrene GPPS 1047 is a high molecular weight crystal polystyrene which allows maximum dilution rates with high impact polystyrene grades. In dilution , polystyrene crystal 1047 gives excellent processing in both extrusion and thermoforming with good finished product.shrinkage. Typical application: t is recommended for cups and other products by in line extrusion/thermoforming , foamed trays by direct gassing , dairy sheets , CD boxes , toys , office equipment.
| Properties | Unit | Typical value | Test Method |
| Physical | |||
| Melt flow rate @200°C & 5 kg load | g/10min | 4.2 | D1238 |
| Mechanical properties | |||
| Tensile strenght | MPa | 50 | D638 |
| Flexural modulus | MPa | 3100 | D790 |
| Charpy impact strength(un notched) | Kj/m² | 10 | D256 |
| Thermal properties | |||
| Vicat softening point @120°C,1 kg(min) | oC | 100 | D1525 |
Note: All mechanical properties measured under standard conditions 50% RH and 23C.