| About |
|---|
| Owispol® 525 is general purpose polystyrene (GPPS) with excellent optical properties, gloss and balanced combination of rheological, mechanical and thermal properties. It is a thermoplastic material designed for injection moulding, extrusion and thermoforming. Product has a form of cylindrical granules of diameter 2.5 to 6 mms. Owispol® 525 contains an external lubricant.&& |
| Product Description | |
|---|---|
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Good surface appearance,Optical performance,Food contact compliance,Lubricating,HB |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Melt Flow Rate | |||
| 200℃，5.0kg | 9.0 to 10 | g/10min | ISO 1133 |
| Shrinkage rate | 0.20 to 0.50 | % | Internal Method |
| Particle size | 2.50 to 6.00 | mm | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | |||
| 23℃ | 15 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | |||
| B50 | 86.0 | ℃ | ISO 306 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Residual Styrene | 0.020 | % | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | |||
| Hot air dryer | 80 | °C | |
| Vacuum dryer | 70 | °C | |
| Drying time | |||
| Hot air dryer | 1.0 | hr | |
| Vacuum dryer | 2.0 to 4.0 | hr | |
| Processing (melt) temperature | 180 to 260 | °C | |
| Mold temperature | 10 to 60 | °C | |
| Melt temperature | 200 to 240 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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