| About |
|---|
| STYRON™ 2678 MED is a general purpose polystyrene with high flow and good toughness, designed for injection molding applications. It is compliant with ISO 10993 (biological Evaluation of Medical Devices) and is suitable for use in approved medical applications. Applications: Injection moulded medical applications (such as device enclosures, packaging items, etc.) Thin-walled containers Complies with: ISO 10993 Europe EU-Directive 2002/72/EC by Europe REGULATION (EC) 10/2011 U.S. FDA 21 CFR 177.1640 Consult the regulations for complete details.&& |
| Product Description | |
|---|---|
| Supplier | Trinseo |
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Good flexibility,High liquidity,HB |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.05 | g/cm³ | ISO 1183 |
| Density | 1.05 | g/cm³ | ISO 1183-3 |
| 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 | |||
| saturated | 0.0 | % | ISO 62-3 |
| balance | 0.0 | % | ISO 62-3 |
| Viscosity value | 91.0 | cm³/g | ISO 307, 1157, 1628 3 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 82.0 | ℃ | ISO 75-2/A |
| 1.8 MPa | 71.0 | ℃ | ISO 75-2 3 |
| 0.45 MPa, annealed | 86.0 | ℃ | ISO 75-2/B |
| 0.45 MPa | 82.0 | ℃ | ISO 75-2 3 |
| Vicat Softening Temp | |||
| B50 | 86.0 | ℃ | ISO 306 3 |
| — | 93.0 | ℃ | ISO 306/A120 |
| B50 | 86.0 | ℃ | ISO 306 |
| Linear coefficient of thermal expansion | |||
| TD | 8.0E-5 | 1/℃ | ISO 11359-2 3 |
| MD | 8.0E-5 | 1/℃ | ISO 11359-2 3 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+13 | ohms | IEC 60093 3 |
| Volume resistivity | > 1.0E+17 | ohms·cm | IEC 60093 3 |
| Dielectric strength | 140 | kV/mm | IEC 60243-1 3 |
| Relative permittivity | |||
| 100 Hz | 2.50 | IEC 60250 3 | |
| 1 MHz | 2.50 | IEC 60250 3 | |
| Dissipation factor | |||
| 100 Hz | 9.0E-5 | IEC 60250 3 | |
| 1 MHz | 6.0E-5 | ASTM D150 | |
| 1 MHz | 6.0E-5 | IEC 60250 3 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.60 mm | HB | ISO 1210 3 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 3300 | MPa | ISO 527-2 3 |
| tensile strength | |||
| yield | 42.0 | MPa | ISO 527-2 3 |
| yield | 43.0 | MPa | ISO 527-2/5 |
| Tensile strain | |||
| fracture | 2.0 | % | ISO 527-2/5 |
| yield | 2.0 | % | ISO 527-2 3 |
| Nominal strain at break | 2.0 | % | ISO 527-2 3 |
| Bending modulus | 3500 | MPa | ISO 178 |
| bending strength | 80.0 | MPa | ISO 178 |
| Rockwell hardness | |||
| R-level | 105 | ISO 2039-2 | |
| Ball hardness | 150 | MPa | ISO 2039-1 |
| Notes |
|---|
| 1. Biocompatibility testing following ISO Guidelines 10993 has been completed on select classic resins in this series. Please consult Styron for details. ISO guidelines include a sensitization test. |
| 2. Typical properties: these are not to be construed as specifications. |
| 3. Tested in accordance with ISO 10350. 23°C/50%r.h. unless otherwise noted. |
| 4. This rating not intended to reflect hazards presented by this or any other material under actual fire conditions. |
| 【 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. |