General purpose polystyrene GPPS 1028 is manufactured by continuous mass polymerization of styrene monomer. It has very high molecular weight, high heat grade, high melt strength, good clarity and mechanical strength.
Application:
It is recommended for Polvstyrene sheets and extruded embossed sheets, BOPS sheet, Insulation board, Foamed sheets for thermoforming of fruit trays, meat trays, egg boxes, and it’s suitable for food applications.
| Grade | Value | Unit | Test Method |
|---|---|---|---|
| Melt Flow Rate (200°C/5KG) | 2.4-3 | g/10min | ASMT D1238 |
| Tensile Strength | 54-56 | Mpa | ASTM D638 |
| Flexural modulus | 3200 | Mpa | ASTM D790 |
| Charpy impact strength (Unnotched) | 11 | Kj/m² | ASTM D256 |
| Vicat Softening point @ 50°C/hr,1 kg | 102 | ℃ | ASTM D1525 |
