Virgin GPPS/General purpose polystyrene granules GPPS GP125
Specification for GPPS
Processing :
Injection Moulding
Specification:
Propety | Test condition | Test method | Test date | Units |
Melt flow rate | 200°C/5kg | ASTM D-1238 | 7 | g/10min |
Specific gravity |
| ASTM D-792 | 1.04 | g/cm3 |
Mold shrinkage |
| ASTM D-955 | 0.004-0.007 | cm/cm |
Tensile Strength at Yield |
| ASTM D-638 | 48 | MPa |
Tensile Strength at Break |
| ASTM D-638 | 48 | MPa |
Elongation at break |
| ASTM D-638 | 2 | % |
Bending strength |
| ASTM D-790 | 90 | MPa |
Bending modulus |
| ASTM D-790 | 3241 | MPa |
IZOD notched impact strength | 23°C | ASTM D-256 | 16 | J/m |
Linear expansion coefficient | 10-5 |
| 7.6 | cm/cm/°C |
Flame retardant grade | 1.5mm | UL 94 | HB |
|
Vicat softening point |
| ASTM D-1525 | 99 | °C |
Thermal deformation temperature | 1.82MPa,Without annealing | ASTM D-648 | 76 | °C |
Thermal deformation temperature | 1.82MPa,annealing | ASTM D-648 | 94 | °C |
Usage: audio-visual media alert or shell, disposable supplies, mixture of high impact polystyrene
Packing: 25kg/plastic bags or as customer request.
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