GPPS is a colorless, odorless, tasteless, shiny, transparent beaded or granular solid. Density is 1.04 to 1.09, transparency is 88% to 92%, refractive index is 1.59 to 1.60. Product melting temperature is 150 to 180 °C, thermal decomposition temperature is 300 °C, and the heat distortion temperature is 70 to 100 °C.
| Performance | Test Method | Test Data | Data Unit |
|---|---|---|---|
| Melt flow rate | ISO 1133/1997 | 5.0 | g/10min |
| Density | ISO 1133/1987 | 1.04 | g/cm3 |
| Thermal deformation temperature | ISO 75-2/1993 | 89 | ºC |
| Vicat softening point | ISO 306/1994 | 99 | ºC |
GPPS can be used for daily necessities, electrical equipment, instrument casings, toys, lamps, household appliances, stationery, cosmetic containers, indoor and outdoor decorations, fruit trays, optical parts (such as prisms, lenses), lens windows, mirrors and molding, car lights, telecommunications accessories, film capacitors for high frequency, and high-frequency insulating materials.
We are a leading company specialized in producing plastic and rubber particles, such as HDPE, LDPE, GPPS, PP, LLDPE, PE, EVA, ABS, PVC. Relying on a comprehensive quality control system and professional advanced production equipment, we are able to actively meet the constantly changing needs of customers.

