GPPS GON525 Resin — Transparent General Purpose Polystyrene Pellets
GPPS GON525 is a transparent general-purpose polystyrene resin supplied in pellet form for injection molding. This grade is reported to offer easy processing, good clarity and stable mechanical performance for molded consumer, stationery and packaging-related components.With a reported MVR of 6–10 cm³/10 min, transmittance of 89.7% and heat deflection temperature of 83.3°C, GPPS GON525 can be evaluated for applications where transparent appearance and injection-molding processability are important.
Key Features
- Transparent GPPS resin in pellet form
- Reported easy-processing characteristics
- General-purpose polystyrene for injection molding
- Reported transmittance: 89.7%
- Reported tensile yield strength: ≥45 MPa
- Reported Vicat softening range: 90–94°C
Typical Technical Data
| Property | Reported Value | Test Method |
|---|---|---|
| Melt Volume Rate | 6–10 cm³/10 min, 200°C/5 kg | GB/T 3682.1-2018 |
| Residual Styrene Content | ≤700 ppm | GB/T 16867-1997 |
| Tensile Yield Strength | ≥45 MPa | GB/T 1040.2-2006 |
| Charpy Notched Impact Strength | 10.6 kJ/m² | GB/T 1043.1 |
| Vicat Softening Temperature | 90–94°C | GB/T 1633-2000 |
| Heat Deflection Temperature | 83.3°C at 0.45 MPa | GB/T 1634.2 |
| Transmittance | 89.7% | GB/T 2410 |
| Yellowness Index | −5 | ASTM E313 |
GPPS Resin for Injection Molding
GPPS GON525 is reported for injection molding. Suggested reference conditions are an injection temperature of 180–240°C and mold temperature of 40–70°C. Actual processing settings must be optimized according to equipment, mold design, part geometry and required appearance.
Reported Application Areas
This transparent GPPS resin can be evaluated for:
- Stationery and office-product components
- Household and daily-use molded items
- Transparent general-purpose molded parts
- Reported packaging and container applications
Reported application areas do not establish regulatory approval or end-use suitability.
Product Identification
This grade may be referenced in RFQs and specifications as:
- GPPS GON525
- GPPS GON525 Resin
- Transparent GPPS Resin
- General Purpose Polystyrene Pellets
- GPPS Resin for Injection Molding
Request Current Lot Documentation
Contact Lema Plastic for availability, packaging, lead time and quotation. Please provide the intended application, processing method and destination market when requesting current TDS, SDS and COA documentation.
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