| About |
|---|
| STYRON™ 680A is a general purpose polystyrene resin with good balance of processability and high heat properties. It is designed for general injection molding applications. Main Characteristics: Easy processing High heat Applications: Cutlery Decorative lighting Blending with HIPS Complies with: FDA, 21 CFR 177.1640 Consult the regulation for complete details.&& |
| Product Description | |
|---|---|
| Supplier | Trinseo |
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Excellent Processability,High Heat Resistance,HB |
| Availabilitys | Asia Pacific |
| 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 | 8.5 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.40 to 0.70 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | ASTM D638 | ||
| Yield, molding | 40.0 | MPa | ASTM D638 |
| Yield, injection molding | 46.9 | MPa | ASTM D638 |
| Limit, molded | 40.0 | MPa | ASTM D638 |
| Extreme, injection molding | 46.9 | MPa | ASTM D638 |
| Tensile strain | ASTM D638 | ||
| Fracture, molded | 1.0 | % | ASTM D638 |
| Fracture, injection molding | 2.0 | % | ASTM D638 |
| Bending modulus | ASTM D790 | ||
| Compression Molding | 3100 | MPa | ASTM D790 |
| injection molding | 3190 | MPa | ASTM D790 |
| bending strength | ASTM D790 | ||
| Compression Molding | 56.5 | MPa | ASTM D790 |
| injection molding | 89.6 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256 | ||
| Compression Molding | 11 | J/m | ASTM D256 |
| Injection molding | 16 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 1.8 MPa, unannealed | 82.8 | ℃ | ASTM D648 |
| 1.8 MPa, annealed | 102 | ℃ | ASTM D648 |
| Vicat Softening Temp | 105 | ℃ | ASTM D1525 |
| 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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