General Information :
GPPS 1540 is an easy flowing crystal polystyrene designed for extrusion or injection applications . In extrusion , it improves extruder output and thermoforming cycle time when mixed with a super high impact polystyrene such as HIPS 7240. It is particularly suitable for glossy-layer co-extrusion.
It does combine excellent fluidity with a softening point higher than GPPS 1810/1811 grade.
General Information :
GPPS 1540 is an easy flowing crystal polystyrene designed for extrusion or injection applications . In extrusion , it improves extruder output and thermoforming cycle time when mixed with a super high impact polystyrene such as HIPS 7240. It is particularly suitable for glossy-layer co-extrusion.
It does combine excellent fluidity with a softening point higher than GPPS 1810/1811 grade.
Specification :
| Property | Unit | Value | Test Method | |
| MFI (200oc/5kg ) | g/10 min | 11 | ASTM D 1238 | |
|
Styrene Residual Monomer |
PPM |
<500 |
CLGLABPSG004 (ATOFINATEST METHOD) | |
| Vicat Softening Point | OC | Min89.5 | ASTM D 1525 | |
| Rockwell Hardness | – | Scale | L70 | ASTM D 785 |
| Tensile Strength @ Yeild | MPa | – | ASTM D 638 | |
| Tensile Strength @ Break | MPa | 45 | ASTM D 638 | |
| Elongation @ Break | % | 2 | ASTM D 638 | |
| Flexural Modulus | MPa | 3000 | ASTM D 790 | |
| Tensile Modulus | – | 3100 | ASTM D 638 | |
| Refractive Index | – | 1.591 | ISO Method | |
| Water Absorption | % | <0.1 | ASTM D 570 | |
Specification: GPPS-TABRIZ-1540
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