| About |
|---|
| General Purpose Polystyrene (GPPS) Characteristics: Good Melt Strength High Heat Grade Excellent Processability Processing: Extrusion Molding Applications: Ideal for XPS insulation boards and XPS food packaging Applications like food trays, lunch boxes (hinged), instant noodle containers, clamshells and bowls Suitable for profile, extrusion & embossed sheets Disposable pipette, tablet packaging bottles, ampoule tray, caps & closures&& |
| Product Description | |
|---|---|
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Food contact compliance,High Heat Resistance,Good melt strength,HB |
| Availabilitys | Africa & Middle East ,North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.04 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 3.0 | g/10min | ASTM D1238 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| 23 ℃, 3.20 mm, injection molding | 52.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃, 3.20 mm, injection molding | 2.0 | % | ASTM D638 |
| Bending modulus | |||
| 23 ℃, 3.20 mm, injection molding | 2800 | MPa | ASTM D790 |
| bending strength | |||
| 23 ℃, 3.20 mm, injection molding | 92.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23 ℃, 3.2mm, injection molding | 18 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, injection molded | 86.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 105 | ℃ | ASTM D1525 3 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Processing (melt) temperature | 180 to 260 | °C | |
| Mold temperature | 40 to 60 | °C | |
| Melt temperature | 180 to 260 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. Rate B (120°C/h), Loading 1 (10 N) |
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