| About |
|---|
| STYRON™ 656D is a general purpose polystyrene with easy flow and good clarity. It is reocmmended for applications where a specific balance of flow and strength are important. Applications: Media enclosures Disposable cups Blending with HIPS Complies with: U.S. FDA 21 CFR 177.1640 Europe REGULATION (EC) 10/2011 Consult the regulation for complete details.&& |
| Product Description | |
|---|---|
| Supplier | Trinseo |
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good Clarity,Good liquidity,HB |
| Availabilitys | Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.04 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 8.5 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.40 to 0.70 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, molding | 47.6 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, injection molding | 2.0 | % | ASTM D638 |
| Bending modulus | |||
| injection molding | 3240 | MPa | ASTM D790 |
| bending strength | |||
| injection molding | 86.9 | MPa | ASTM D790 |
| 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 | ||
| 1.8 MPa, unannealed | 76.1 | ℃ | ASTM D648 |
| 1.8 MPa, annealed | 95.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 99.0 | ℃ | ASTM D1525 |
| Linear coefficient of thermal expansion | |||
| MD | 7.6E-5 | 1/℃ | ASTM D696 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | HB | UL 94 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. This rating not intended to reflect hazards presented by this or any other material under actual fire conditions. |
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