AKSAD GROUP PETROCHEM
1540
GPPS1540 is an easy flowing crystal polystyrene designed for extrusion or injection applications.
It improves extruder output and thermoforming cycle time when mixed with a high impact UNIT TYPICAL VALUE polystyrene such as HIPS7240.It is particularly suitable for glossy-layer coextrusion.
This grade has food contact approval.
Applications
Packaging articles,petri dishes, office equipments,pen barrels,crisper boxes for
Refrigerators, cups, food containers gloss layer coextrusion.anionic styrene butadiene copolymer dilution.
|
Method
|
Unit
|
Value
|
Properties
|
|
ASTM D-1238
|
g/10min
|
11
|
MELT FLOW INDEX(200°C-5KG)
|
|
CLG LABPSG004
(ATOFINA TEST METHOD)
|
PPM
|
<500
|
STYRENE RESIDUAL MONOMER
|
|
ASTM D-1525
|
°C
|
91
|
VICAT SOFTENING POINT ( 50 °C/hr 1kg)
|
|
ASTM D-1525
|
-
|
L SCALE/ 70
|
ROCKWELL HARDNESS
|
|
ASTM D-638
|
MPA
|
42
|
TENSILE STRENGTH AT BREAK
|
|
ASTM D-638
|
%
|
2
|
ELONGATION AT BREAK
|
|
ASTM D-638
|
MPA
|
3100
|
TENSILE MODULUS
|
*All above mentioned data are typical values and not to be construed as real specifications.Users should confirm results by their own tests.For more information about guaranteed items, please refer to S.S.S.(Standard Sales Specifications)
Density and shrinkage of this grade are approximately around 1.04 kg/lit & (0.4-0.7)%(ASTM D-955) respectively.
If in grade reference the fourth digit is "1"(1541) ,indicates an external lubricants is included.
If the injection molding products quality is affected by moisture,granules of GPPS could be dried at 70°C for 2-4 hours.
Commercial Manager cell phone: +98- 912 127 45 75
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