描述
Sinopec 525 GPPS pellet Description
Sinopec 525 is a general purpose polystyrene resin pellets (GPPS material) with high transmittance, which can be used to make lampshades, disposable tableware, electrical appliances and packaging.
Key Attributes
| Sinopec GPPS 525 |
| Product information |
| Manufacturer |
GuangZhou Sinopec Petrochemical Co. Ltd. |
| Part Marking Code |
>GPPS material< |
| Material Shape |
GPPS Pellets |
| Color |
Natural color |
| Material Attribute |
Food contact grade GPPS |
| Features |
·High light transmission ·General purpose grade |
| Application |
·Appliances ·Lampshade ·Packaging ·Housewares application ·Disposable tableware |
| Physical properties |
Standard |
Value |
Unit |
| Melt Index |
GB/T 3682 |
8.0 |
g/10min |
| Residual Monomer |
INTERNAL METHOD |
≤800 |
mg/kg |
| Mechanical behavior |
Standard |
Value |
Unit |
| Tensile Strength Yield |
GB/T 1040 |
43 |
MPa |
| Flexural Strength |
GB/T 9341 |
76 |
MPa |
| Thermal |
Standard |
Value |
Unit |
| Vicat Softening Temperature |
GB/T 1633 |
95 |
°C |
| Optical performance |
Standard |
Value |
Unit |
| Transmittance |
GB/T 2410 |
90 |
% |
⚠️The technical data sheet (TDS) of Sinopec GPPS 525 material from Sinopec Guangzhou petrochemical, if there are differences, please refer to the official website of sinopec.
Sinopec 525 GPPS pellet Advantage
- Excellent optical properties. Sinopec general-purpose polystyrene 525 has a transmittance of 90% under the GB/T 2410 test standard, making it suitable for general applications with high optical performance requirements, such as lampshades and electrical housings.
- Good processing performance. The melt index of Sinopec GPPS 525 material under the GB/T 3682 test standard is 8g/10min. It is suitable for general processing methods, has relatively wide requirements for processing equipment and temperature, and has a high probability of processing error tolerance.
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