SYNTHOS PS GP 585A by Synthos Group is a colorless, general purpose polystyrene (GPPS) grade available in the form of cylindrical granules. It is modified by blending with the high impact polystyrene (HIPS) and SBS copolymers. Exhibits excellent optical properties & gloss, good mechanical strength and high heat resistance. Can be processed by injection molding, extrusion and thermoforming. SYNTHOS PS GP 585A is recommended for hot drinks cups, CD and DVD cases, vegetable boxes for refrigerators, shower enclosures panels and lightweight sheets (XPS).
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SYNTHOS PS GP 585A properties
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flame rating (UL 94) | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Impact Strength, Charpy | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Linear Mold Shrinkage | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Styrene Residual Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Vicat Softening Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
SYNTHOS PS GP 585A Processing Guidelines
Extrusion Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melt Temperature | Visible After Login | Visible After Login | |
Extrusion/ Injection molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Drying Time (Hot-air Dryer) | Visible After Login | Visible After Login | |
| Drying Time (Molecular Sieve Dryer) | Visible After Login | Visible After Login | |
Extrusion/Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Drying Temperature | Visible After Login | Visible After Login | |
| Drying Temperature | Visible After Login | Visible After Login | |
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melt Temperature | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |



