| About |
|---|
| Characteristics: Very high molecular weight High heat resistance and mechanical strength Process: Gas injection (foam) extrusion Applications: XPS packagings&& |
| Product Description | |
|---|---|
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Food contact compliance,High Heat Resistance,Ultra high molecular weight |
| Availabilitys | Latin America |
| Process Methods | Foam extrusion molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.05 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 1.6 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.30 to 0.60 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2960 | MPa | ASTM D638 |
| tensile strength | |||
| Fracture, 23 ℃ | 52.0 | MPa | ASTM D638 |
| Bending modulus | |||
| 23℃ | 2960 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 98.0 | MPa | ASTM D790 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 98.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 104 | ℃ | ASTM D1525 4 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.90 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Processing (melt) temperature | 210 to 260 | °C | |
| Mold temperature | 50 to 75 | °C | |
| Melt temperature | 210 to 240 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 120°C/h |
| 3. Rate A (50°C/h), Loading 1 (10 N) |
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