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CNPC DUSHANZI GPPS-500NT
- High optical clarity with 90.6% transmittance
- Excellent mechanical strength with 47.6 MPa tensile strength
- Low monomer content for high purity and safety
- Good thermal resistance with 100°C Vicat softening temperature
- Clean material with no black/color particles
Product Overview
CNPC DUSHANZI GPPS-500NT is a high-clarity general-purpose polystyrene (GPPS) designed for applications requiring excellent optical properties and mechanical strength.
This material is manufactured by DuShanZi Petrochemical Co., Ltd. and provides high transparency, low residual monomer content, and good thermal resistance, making it ideal for use in transparent packaging, optical components, and consumer products.
It offers 90.6% transmittance, a low yellow index of -0.2, and 47.6 MPa tensile strength, ensuring high-quality performance in visual and structural applications.
Key Properties
High Optical Clarity: 90.6% transmittance and a low yellow index of -0.2 for excellent visual appeal
Excellent Mechanical Strength: 47.6 MPa tensile strength for durable and reliable parts
Low Monomer Content: Residual styrene content of 0.000175% ensures high purity
Good Thermal Resistance: 100°C Vicat softening temperature for use in moderately high-temperature environments
Clean Material Quality: No black spots or color granules for consistent appearance and high-quality products
Typical Applications
Transparent Packaging: Ideal for clear containers, lids, and product packaging
Optical Components: Lenses, diffusers, and other optical products
Consumer Disposable Products: Plastic cups, trays, packaging materials
Display & Exhibition Items: Displays, signage, and decorative elements
General-Purpose Transparent Parts: Transparent mechanical components for various industries
Technical Data (Typical Values)
Physical Properties
| Property | Value | Test Standard |
|---|---|---|
| Melt Flow Index (200°C, 5kg) | 5.03 g/10min | GB/T 3682 |
| Monomer Content (Styrene) | 0.000175 % | GB/T 16867 |
| Particle Appearance (Black spot & Color granule) | 0.0 pcs/kg | SH/T 1541.1 |
Mechanical Properties
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength (Break) | 47.6 MPa | GB/T 1040 |
| Charpy Un-notch Impact (23°C) | 9.5 kJ/m² | GB/T 1043 |
Optical Properties
| Property | Value | Test Standard |
|---|---|---|
| Transmittance | 90.6 % | GB/T 2410 |
| Yellow Index | -0.2 | GB/T 39822 |
Thermal Properties
| Property | Value | Test Standard |
|---|---|---|
| Vicat Softening Temperature (50°C/hr, 50N) | 100 °C | GB/T 1633 |
Why Choose CNPC DUSHANZI GPPS-500NT
High Transparency: Provides 90.6% transmittance for clear, high-quality components
Excellent Mechanical Strength: 47.6 MPa tensile strength ensures durability in structural and aesthetic applications
Low Monomer Content: Minimal residual styrene for high purity and compliance with food and medical standards
Good Thermal Resistance: Withstands moderate temperatures up to 100°C Vicat softening point
Clean & Consistent Quality: No black spots or color granules, ensuring uniform appearance in molded parts
