Polystyrene (PS) is one of the most widely used plastics in industry due to its versatility, lightweight properties and cost-effectiveness. At Plasnor, experts in plastic extrusion and thermoforming, we offer polystyrene sheets and rolls tailored to the requirements of each customer and application.
What is Polystyrene?
Polystyrene is a general-purpose thermoplastic derived from styrene. Depending on its formulation, it can be found in different variants:
• GPPS (General Purpose Polystyrene): transparent, rigid and with a high-gloss surface finish.
• HIPS (High Impact Polystyrene): rubber-modified, offering greater impact resistance and reduced brittleness.
• EPS and XPS: foamed versions that are lightweight and provide excellent thermal insulation.
Thanks to this variety, PS is suitable for a wide range of industries, from technical packaging and furniture manufacturing to industrial insulation.
Main Properties of Polystyrene
| Property | Typical Value | Technical Advantage |
|---|---|---|
| Density | 1.05 g/cm³ | Lightweight and easy to handle |
| Tensile Strength | 40–60 MPa | Good structural rigidity |
| Impact Resistance (HIPS) | Medium | Suitable for general-purpose parts |
| Service Temperature | Up to 80 °C | Suitable for indoor applications |
| Processability | Excellent | Ideal for extrusion and thermoforming |
PS stands out for its low cost, good rigidity and ease of processing, making it an efficient solution for high-volume components and industrial packaging applications.
However, its impact and temperature resistance are more limited compared to more technical materials such as ABS and ASA.
Industrial Applications
Packaging and logistics:
Ideal for trays, containers and reusable packaging solutions, where lightweight performance and competitive costs are key factors.
Furniture and interior components:
Used in panels, decorative parts and surface coverings thanks to its glossy finish and excellent thermoforming capabilities.
Home appliances and technical equipment:
HIPS is commonly used for housings, internal panels and low-stress components, combining aesthetics with easy processing.
Industrial insulation (EPS/XPS):
In its foamed form, PS provides excellent thermal insulation, making it highly valued in construction and protective packaging applications.
Polystyrene Compared to Other Materials
| Material | Impact | Temperature | Cost | Application |
| PS (HIPS) | ★★☆☆☆ | ★★☆☆☆ | ★★★★★ | Packaging / Interior Parts |
| ABS | ★★★★☆ | ★★★☆☆ | ★★★★☆ | Technical and Decorative Parts |
| ASA | ★★★★☆ | ★★★★☆ | ★★★☆☆ | Outdoor Applications / Automotive |
| ABS/PC | ★★★★★ | ★★★★★ | ★★☆☆☆ | High-Performance Technical Applications |
👉 Practical Conclusion:
Polystyrene is ideal for indoor applications and industrial packaging where a lightweight, cost-effective and easy-to-process material is required. For applications demanding higher impact or temperature resistance, ABS offers improved performance.
Commitment to Sustainability
At Plasnor, innovation goes hand in hand with sustainability. We incorporate recycled polystyrene materials into our processes and optimise energy consumption to reduce environmental impact without compromising quality or performance.
Why Choose Polystyrene with Plasnor
• More than 50 years of experience in extrusion and thermoforming.
• Customised production: formats, thicknesses and finishes tailored to specific requirements.
• Specialised technical support to help select the most suitable material for each application.
• Quality and reliability trusted across a wide range of industrial sectors.
Conclusion
Polystyrene combines lightweight performance, rigidity and cost efficiency, making it an excellent solution for projects where affordability and ease of processing are key requirements.
At Plasnor, we help industrial companies optimise their products and processes through materials tailored to their technical and sustainability goals.
📩 Would you like to know whether PS is the right solution for your project?
Contact our technical team and discover the possibilities of Polystyrene with Plasnor.