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GPPS1160

1 product description
GPPS1160 is a high heat resistance and molecular weight crystal polystyrene for extrusion and bi oriented polystyrene(OPS) industry.It is particularly useful in the production of thick sheet by direct inject gassing,where it gives expanded sheets with high mechanical properties. GPPS1160 can also be used in dilution with HIPS7240 for extrusion of sheet for thermoforming. This grade has food contact approval
2 applications

shower cabinets,lighting thin films,insulation board,foam sheet of fruits trays,meat trays,egg boxes.

PROPERTY UNIT TEST METHOD TYPICAL VALUE
MELT FLOW INDEX(200C-5KG) g/10min ASTM D-1238 2.5
STYRENE RESIDUAL MONOMER PPM CLG LABPSG004 (ATOFINA TEST METHOD) <500
VICAT SOFTENING POINT ( 50 °C/hr 1kg) C ASTM D-1525 105
ROCKWELL HARDNESS ASTM D-785 SCALE/L70
TENSILE STRESS AT BREAK MPA ASTM D-638 48
ELONGATION AT BREAK % ASTM D-638 3
TENSILE MODULUS MPA ASTM D-638 3200
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