| About |
|---|
| DOKI® POLISTIREN 678 E is transparent general purpose polystyrene exhibiting excellent optical properties. Owing to its high melt flow rate, DOKI® POLISTIREN 678 E is especially intended for injection moulding of thin-walled products having good optical properties. DOKI® POLISTIREN 678 E exhibits excellent processability with short processing cycles.&& |
| Product Description | |
|---|---|
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Excellent Processability,High liquidity,Optical performance,Quick molding cycle,Food contact compliance,HB |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.05 | g/cm³ | ISO 1183 |
| — | 1.05 | g/cm³ | ISO 1183-1 |
| Apparent density | 0.60 | g/cm³ | ISO 60 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 11 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 200℃，5 kg | 11.0 | cm³/10min | ISO 1133 |
| Water absorption rate | ISO 62 3 | ||
| saturated | 0.0 | % | 4 |
| balance | 0.0 | % | 5 |
| Viscosity number | 91.0 | cm³/g | ISO 307, 1157, 1628 6 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, annealed | 86.0 | ℃ | ISO 75-2/B |
| 0.45 MPa | 82.0 | ℃ | ISO 75-2 11 |
| 1.8 MPa, annealed | 82.0 | ℃ | ISO 75-2/A |
| 1.8 MPa | 71.0 | ℃ | ISO 75-2 |
| Vicat Softening Temp | |||
| — | 93.0 | ℃ | ISO 306/A120 |
| B50 | 86.0 | ℃ | ISO 306 |
| B50 | 86.0 | ℃ | ISO 306 13 |
| Linear coefficient of thermal expansion | ISO 11359-2 14 | ||
| MD | 8.0E-5 | 1/℃ | 15 |
| TD | 8.0E-5 | 1/℃ | 16 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+13 | ohms | IEC 60093 17 |
| Volume resistivity | > 1E+17 | ohms·cm | IEC 60093 18 |
| Electrical strength | 140 | kV/mm | IEC 60243-1 19 |
| Relative permittivity | IEC 60250 20 | ||
| 100 Hz | 2.50 | 21 | |
| 1 MHz | 2.50 | 22 | |
| Dissipation factor | |||
| 1 MHz | 6.0E-5 | ASTM D150, IEC 60250 23 | |
| 100 Hz | 9.0E-5 | IEC 60250 24 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 | |
| Flame retardant level | |||
| 1.60 mm | HB | ISO 1210 26 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 105 | ISO 2039-2 | |
| Ball hardness | 150 | MPa | ISO 2039-1 |
| Tensile modulus | 3300 | MPa | ISO 527-2 7 |
| tensile strength | |||
| yield | 43.0 | MPa | ISO 527-2/5 |
| yield | 42.0 | MPa | ISO 527-2 8 |
| Tensile strain | |||
| yield | 2.0 | % | ISO 527-2 9 |
| fracture | 2.0 | % | ISO 527-2/5 |
| Strain, fracture | 2.0 | % | ISO 527-2 10 |
| Bending modulus | 3500 | MPa | ISO 178 |
| bending strength | 80.0 | MPa | ISO 178 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |