| About |
|---|
| STYRON™ 675 is a General Purpose Polystyrene material. It is available in North America for extrusion or injection molding. Important attributes of STYRON™ 675 are: Flame Rated Food Contact Acceptable Heat Resistant Typical applications include: Engineering/Industrial Parts Food Contact Applications&& |
| Product Description | |
|---|---|
| Supplier | Trinseo |
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Food contact compliance,High Heat Resistance,Moderate liquidity,HB |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.04 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 7.5 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.40 to 0.80 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23 ℃, injection molding | 21 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 96.0 | ℃ | |
| 1.8 MPa, unannealed | 87.0 | ℃ | |
| Vicat Softening Temp | 106 | ℃ | ASTM D1525 |
| Linear coefficient of thermal expansion | |||
| MD | 9.0E-5 | 1/℃ | ASTM D696 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| Level L | 107 | ASTM D785 | |
| Tensile modulus | |||
| injection molding | 3170 | MPa | ASTM D638 |
| tensile strength | ASTM D638 | ||
| Fracture, injection molding | 48.0 | MPa | |
| injection molding | 48.0 | MPa | |
| Tensile strain | |||
| Fracture, injection molding | 3.0 | % | ASTM D638 |
| Bending modulus | |||
| injection molding | 3480 | MPa | ASTM D790 |
| bending strength | |||
| injection molding | 56.0 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Barrel rear temperature | 218 to 249 | °C | |
| Barrel middle temperature | 218 to 249 | °C | |
| Barrel front temperature | 199 to 213 | °C | |
| Nozzle temperature | 213 to 243 | °C | |
| Mold temperature | 15.6 to 65.6 | °C | |
| Injection speed | 快速 | ||
| Back pressure | 0.200 to 1.20 | MPa | |
| Cushion | 6.35 | mm | |
| Barrel 1 zone temperature | 177 to 193 | °C | |
| Barrel 2 zone temperature | 182 to 204 | °C | |
| Barrel 3 zone temperature | 188 to 210 | °C | |
| Barrel 4 zone temperature | 199 to 216 | °C | |
| Barrel 5 zone temperature | 204 to 221 | °C | |
| Connector temperature | 193 to 232 | °C | |
| Melt temperature | 193 to 232 | °C | |
| Nozzle temperature | 199 to 232 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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