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GPPS injcetion grade for cups
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Specification:
GPPS General Purpose Polystyrene
Specification: Injection moulding, extrusion, medical usage
Uasge: CD box, drink cup, egg box, extrusion package materials, medical articles, vegetable box in refrigerator
Our company can provide other materials that suitable for injection moulding, like
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Item |
Test conditions |
Test method |
Test data |
unit |
|
Density |
|
ISO 1183:1987 |
1040 |
kg/m3 |
|
Water absorption |
|
ISO 62:1999 |
<0.1 |
% |
|
Melt flow rate |
200ˇăC/5kg |
ISO 1133:1997 |
3.8 |
cm3/10min |
|
Process shrinkage |
|
ISO 294-4:1997 |
0.4-0.6 |
% |
|
Charpy impact strength |
1eU |
ISO 179:1993 |
15 |
kj/m2 |
|
Tensile modulus |
1mm/min |
ISO 527-2:1993 |
3300 |
MPa |
|
Elongation |
50mm/min |
ISO 527-2:1993 |
3 |
% |
|
Tensile strength at break |
50mm/min |
ISO 527-2:1993 |
55 |
MPa |
|
Ball indentation hardness H |
358N/30s |
ISO 2039-1:1993 |
150 |
N/mm2 |
|
Bending strength |
2mm/min |
ISO 178:1993 |
100 |
MPa |
|
HDT |
1.8MPa |
ISO 75-2:1993 |
84 |
ˇăC |
|
Linear coefficient of thermal expansion |
(23-80)ˇăC |
DIN 53 752 |
0.8-1.0 |
K-1 |
|
Heat conduction |
|
DIN 52 612 |
0.16 |
W/mK |
|
Vicat softening point |
B50/oil |
ISO 306:1994 |
93 |
ˇăC |
|
Flame retardance |
>1.4mm |
UL-Standard 94 |
94HB |
Class |
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