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CNPC DUSHANZI GPPS-500
- Good clarity & gloss for packaging and lighting
- High melt flow for easy processing
- Thermal stability suitable for moderate heat applications
- Low residual monomer for food-safe use
- Economical for high-volume manufacturing
Product Overview
CNPC DUSHANZI GPPS-500 is a general-purpose polystyrene (GPPS) resin manufactured by Dushanzi Petrochemical. It features good clarity, ease of processing, and thermal stability.
With a balance of transparency, rigidity, and flow characteristics, this material is widely used in packaging, lighting, medical containers, and household items where visual appeal and cost-effectiveness are key.
It is suitable for applications requiring transparent and economical plastics with moderate thermal resistance and good processability.
Key Properties
| Property | Value / Range | Test Standard |
|---|---|---|
| Melt Flow Index (200°C/5.0 kg) | 5.0 g/10 min | ISO 1133:1997 |
| Density | 1.04 g/cm³ | ISO 1183:1987 |
| Heat Deflection Temperature (1.8 MPa) | 89 °C | ISO 75-2:1993 |
| Vicat Softening Temperature (50°C/h, 50 N) | 99 °C | ISO 306:1994 |
| Monomer Content (Residual) | < 150 ppm | Internal Method |
Key Benefits
Good Clarity & Gloss: Suitable for transparent and visually appealing applications
Ease of Processing: Moderate melt flow supports injection molding and thermoforming
Thermal Resistance: Adequate Vicat and HDT for packaging, lighting, and disposable containers
Low Residual Monomer: Meets safety requirements for food and medical packaging
Cost-Effective: Economical material for high-volume consumer and industrial products
Typical Applications
Food Packaging Containers & Lids: Transparent packaging for food storage
Disposable Cups, Plates, and Cutlery: Lightweight and cost-effective products for the foodservice industry
Lighting Diffusers and Covers: Clear, durable covers for lighting applications
Medical Trays and Specimen Containers: Non-toxic and compliant with medical packaging standards
Household & Consumer Goods: Transparent parts for everyday use
Industrial Packaging & Agricultural Containers: Packaging for industrial and agricultural use
Why Choose DUSHANZI GPPS-500
Transparent & Glossy: Ideal for high-clarity applications requiring visual appeal
Good Thermal Stability: Suitable for packaging and lighting components exposed to moderate heat
Versatile Processing: Works well with both injection molding and thermoforming techniques
Economical: Offers cost-effective solutions for high-volume production
Safe & Compliant: Low residual monomer content, suitable for food contact applications