POLYSTYRENE 525-P
JAVA
GPPS
Injection
Pertamina Petrochemical Trading
Pertamina Petrochemical Trading
Lihat Profil SellerHigh-Clarity General Purpose Polystyrene (GPPS) for Injection Molding with Superior Thermal Stability
POLYSTYRENE 525-P is a high-quality general-purpose polystyrene (GPPS) manufactured by Vietnam Polystyrene Co., Ltd., designed for demanding injection molding applications. Available in two variants — GPPS-525N (natural tint) and GPPS-525 (blue tint) — this material offers exceptional clarity, excellent flow properties, and outstanding dimensional stability at elevated temperatures. With low volatility (<1000 ppm), it meets stringent safety and environmental standards, making it ideal for consumer-facing products. Its balanced combination of optical clarity, mechanical strength, and thermal resistance ensures consistent performance across a wide range of industries.
Specifications
- Tensile Strength: 415 MPa (ASTM D638)
- Impact Strength: 2.0 cm/23°C (GPPS-525N) / 1.6 cm/23°C (GPPS-525) (ASTM D256)
- Flexural Strength: 700 MPa (ASTM D790)
- Vicat Softening Temperature: 90°C (ASTM D1525)
- Heat Deflection Temperature: 95°C (ASTM D648)
- Volatility: <1000 ppm (Internal Method)
- Density: 1.05 g/cm³ (ASTM D792)
- Melt Flow Rate: 10-15 g/10min (200°C/2.16kg) (ASTM D1238)
Applications
- Transparent packaging containers and lids
- Disposable cutlery and food service items
- Toys and children's products
- Electronic housings and appliance components
- Automotive interior parts
- Industrial components requiring precision and heat resistance
Advantages
- Exceptional optical clarity for transparent and semi-transparent applications
- Excellent flow properties enabling complex mold designs
- High thermal stability with Vicat at 90°C and HDT at 95°C
- Low volatility (<1000 ppm) for safe use in consumer products
- Consistent dimensional accuracy under heat stress
- Blue-tinted and natural variants for design flexibility
Processing Conditions
- Injection Molding Temperature: 180–220°C
- Mold Temperature: 20–60°C
- Drying Recommended: 2–4 hours at 70–80°C
- Back Pressure: 5–15 bar
- Hold Pressure: 50–80% of injection pressure
- Cycle Time: 15–45 seconds (depends on part thickness)
Regulatory Compliance
- REACH compliant
- RoHS compliant
- FDA compliant for food contact applications
- ISO 9001 certified manufacturing
Storage Conditions
- Store in a cool, dry, and well-ventilated area
- Keep away from direct sunlight and heat sources
- Shelf life: 12 months under proper storage conditions
- Protect from moisture and contamination
Safety Information
- Handle in accordance with SDS guidelines
- Avoid inhalation of dust during handling
- Use appropriate PPE including gloves and safety glasses
- No known hazardous decomposition products under normal processing conditions
| Brand | VNPS |
|---|---|
| Manufacturer | Vietnam Polystyrene |
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