| About |
|---|
| SGM-025 is a certified prime grade High Molecular Weight specially developed for both INJECTION MOLDING and EXTRUSION applications requiring high heat resistance, high tensile strength, and high stiffness. SGM-025 offers good-flow processability, good dimensional stability and excellent clarity of molded articles. SGM-025 applications include foamed sheet extrusion for packaging e.g. egg trays, sheet extrusion for shower cabin panels, dinnerware, oriented polystyrene (OPS) for cookie and cake trays, thin-walled containers, and consumer electronics. SGM-025 complies with FDA regulation 21CFR 177.1640 and with most international regulations concerning the use of Polystyrene in contact with food articles.&& |
| Product Description | |
|---|---|
| Generic | PS (GPPS) |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Excellent Processability,Good Clarity,Good Dimensional Stability,Good liquidity,High Heat Resistance,High molecular weight,Good Tensile Strength |
| Availabilitys | North America |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.05 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 200℃，5.0kg | 2.5 | g/10min | ASTM D1238 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm, injection molded | 11 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, injection molded | 98.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 107 | ℃ | ASTM D1525 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| injection molding | 3310 | MPa | ASTM D638 |
| tensile strength | |||
| Yield, injection molding | 53.8 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, injection molding | 1.3 | % | ASTM D638 |
| Bending modulus | |||
| 1% cut, injection molding | 3600 | MPa | ASTM D790 |
| bending strength | |||
| 23 ℃, injection molding | 179 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 105 | ASTM D785 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 in/min |
| 3. 0.051 in/min |
| 4. Injection molded |
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