GPPS 535 Haiwan
Polystyrene, or PS for short. PS is a thermoplastic amorphous resin, which is polymerized from styrene monomer and can be polymerized by a variety of synthetic methods, mainly using bulk polymerization and suspension polymerization in industry. PS is mainly divided into general grade polystyrene (GPPS, commonly known as transbenzene), impact grade polystyrene (HIPS, commonly known as benzene modification) and foam grade polystyrene (EPS).
| Item | Testing standards |
Test Conditions |
Units |
PG-22 |
PG-33 |
PG-80 |
PG-80N |
PG-383 |
PG-383M |
Melt flow index |
D-1238 |
200°C*5kg |
g/10min. |
17.5 |
7.4 |
4.0 |
5.7 |
3.0 |
3.0 |
Softening point |
D-1525 |
1kg. |
°C |
87.0 |
94.0 |
97.7 |
97.6 |
105.0 |
96.3 |
Tensile strength |
D-638 |
Kg/cm² |
420 |
470 |
500 |
490 |
560 |
520 |
|
Tensile modulus |
D-638 |
- |
26460 |
26220 |
26720 |
26720 |
28140 |
- |
|
Bending strength |
D-790 |
- |
Kg/cm² |
540 |
670 |
690 |
690 |
820 |
- |
Flexural modulus |
D-790 |
Kg/cm² |
31000 |
31000 |
31000 |
31000 |
33000 |
- |
|
Heat distortion temperature |
D-648 |
- |
°C |
75 |
79 |
81 |
81 |
86 |
- |
Use |
- |
- |
- |
Mixed leveling |
Injection level |
Injection level |
Injection level |
Board-level charge |
Injection level |
| Company Name | Beijing TDD E-commerce Co., Ltd | Country/Region | China |
| Business Type | business_type_options | Company Size | 2000 |
| Established | December 18, 2014 | ||
| Address | |||
| Main Products | PVC Resin, PP, PE, PET, Titanium Dioxide, Pigment, Car Tire | ||
B2B cross-border e-commerce platform and the core subsidiary of Guolian Co., Ltd. (603613. Sh). Specialized in raw materials & industrial products for more than 20 years and provides wholesale products for customers worldwide. Currently, the main operating industry chains include: Pigment industry chain, Titanium industry chain, Solvent industry chain, Resin industry chain, Lubricating oil industry chain, Carbon black industry chain, Packaging industry chain, Medical industry chain, etc.