Product: T-GPPS 1160
Description: GPPS 1160 is a high heat resistance and molecular weight crystal polystyrene for extrusion and biaxially oriented polystyrene (OPS) industry. It is particularly useful in thick sheet production through direct inject gassing, resulting in expanded sheets with high mechanical properties. It can also be diluted with HIPS 7240 for sheet extrusion suitable for thermoforming.
Applications: Shower cabinets, lighting thin films, insulation boards, foam sheets for fruit trays, meat trays, and egg boxes.
Physical and Mechanical Properties:
| Property | Unit | Test Method | Typical Value |
|---|---|---|---|
| MELT FLOW INDEX (200°C 5KG) | g/10min | ASTM D-1238 | 2.5 |
| STYRENE RESIDUAL MONOMER | PPM | CLG LABPSG004 (ATOFINA TEST METHOD) | <500 |
| VICAT SOFTENING POINT (50°C/hr 1kg) | °C | ASTM D-1525 | 105 |
| ROCKWELL HARDNESS | – | ASTM D-785 | SCALE/L70 |
| TENSILE STRENGTH AT BREAK | MPA | ASTM D-638 | 48 |
| ELONGATION AT BREAK | % | ASTM D-638 | 3 |
| TENSILE MODULUS | MPA | ASTM D-638 | 3200 |
Additional Notes:
- All mentioned data are typical values and not to be construed as real specifications. Users should confirm results through their tests. For more information about guaranteed items, please refer to S.S.S. (Standard Sales Specifications).
- Density and shrinkage of this grade are approximately around 1.04 kg/lit & (0.4-0.7)% (ASTM D-955) respectively.
- All tests are carried out at 23°C, unless otherwise specified.
- If the injection molding product quality is affected by moisture, GPPS granules can be dried at 70°C for 2-4 hours.
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