Grade-525
Grade-525
Product Quality Certificate
| Product name |
Model |
| Polystyrene |
GP 525 |
Test Items and Results
| Item |
Unit |
Qualified |
Results |
Test Method |
| Appearance |
个/kg |
≤10 |
0 |
SH/T 1541-2006 |
| Melt Flow Index |
g/10min |
6.0-9.0 |
7.5 |
GB/T 3682.1-2018 |
| Tensile Strength |
MPa |
≥40.0 |
44.8 |
GB/T 1040.2-2006 |
| Charpy Impact |
kJ/m2 |
≥7.0 |
9.6 |
GB/T 1043-2008 |
| Vicat Softening Temp. |
°C |
≥90 |
93.5 |
GB/T 1633-2000 |
| Transparency |
% |
≥86.0 |
89.9 |
GB/T 2410-2008 |
| Haze |
- |
≤0.7 |
0.28 |
GB/T 2410-2008 |
| Residual Styrene |
ppm |
≤700 |
343 |
GB/T 16867-1997 |
| Conclusion |
Qualified |
