| About |
|---|
| High molecular weight general purpose polystyrene combining high heat resistance and good mechanical strength. N 3380 belongs to Edisitr® GPPS third generation. Suitable for direct gassing extrusion, for biaxially oriented films and sheets, for glass clear sheets and panels. Also used in injection moulding of medium-thickness wall transparent parts. Thanks to N 3380, injected items will be more brilliant and neutral coloured in line with more sophisticated market needs. The new colour will be not appreciable in covered applications. Designation: Thermoplastics ISO 1622-PS,G,105-03. Applications Suitable for foamed packaging trays, clear panels for shower cabins, insulation boards (XPS), OPS for labels and packaging, moulded fridge clear components, Petri dishes and technical parts.&& |
| Product Description | |
|---|---|
| Generic | PS (GPPS) |
| Material Status | Commercial: Negative |
| Features | Foaming performance,Food contact compliance,High Heat Resistance,High molecular weight,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.05 | g/cm³ | ISO 1183 |
| Apparent density | 0.65 | g/cm³ | ISO 60 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 2.0 | g/10min | ISO 1133 |
| Shrinkage rate | 0.30 to 0.60 | % | ISO 294-4 |
| Water absorption rate | |||
| 23℃，24hr | < 0.10 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -30℃ | 1.7 | kJ/m² | ISO 180-1A |
| 12℃ | 1.9 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 95.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | |||
| A50 | 106 | ℃ | ISO 306/A50 |
| B50 | 101 | ℃ | ISO 306 |
| Linear coefficient of thermal expansion | |||
| MD | 7.0E-5 | 1/℃ | ASTM D696 |
| Thermal conductivity coefficient | 0.17 | W/m/K | ISO 8302 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.5E+15 | ohms | IEC 60093 |
| Volume resistivity | > 7.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | 70 | kV/mm | IEC 60243-1 |
| Relative permittivity | |||
| 50 Hz | 2.50 | IEC 60250 | |
| Dissipation factor | |||
| 50 Hz | 2.0E-4 | IEC 60250 | |
| Compared to the leakage tracing index | |||
| Solution A | 425 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.50 mm, all colors | HB | UL 94 | |
| Igniting temperature of the hot wire | |||
| 1.6 mm | 650 | ℃ | IEC 60695-2-13 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Designation | Thermoplastics ISO 1622-PS,G,105-03 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 80 | ISO 2039-2 | |
| Tensile modulus | 3350 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 49.0 | MPa | ISO 527-2/5 |
| Tensile strain | |||
| fracture | 2.5 | % | ISO 527-2/5 |
| bending strength | 91.0 | MPa | ISO 178 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Processing (melt) temperature | 220 to 270 | °C | |
| Mold temperature | 20 to 60 | °C | |
| Melt temperature | 210 to 240 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.079 in/min |
| 3. 120°C/hr |
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