Polystyrene sheets, made from a lightweight and rigid thermoplastic known as polystyrene, are versatile materials used across numerous applications. These sheets are celebrated for their affordability, insulation properties, and ease of fabrication. They are commonly used in construction, particularly for insulation, as well as in packaging, signage, and DIY projects. Polystyrene sheets offer excellent thermal resistance, reducing energy costs. They can be easily cut, shaped, and painted, making them ideal for creative endeavors and architectural designs. While they provide cost-effective solutions for various industries, their strength and versatility make them suitable for a range of applications, from model building to protective packaging.
Mechanical properties: | ||
Yield stress | DIN EN ISO 527 | 16 MPa |
Elongation at yield | DIN EN ISO 527 | 3% |
Tensile strength at break | DIN EN ISO 527 | 16 MPa |
Elongation at break | DIN EN ISO 527 | >35% |
Modulus of elasticity | EN ISO 178 | 1500 MPa |
Flexural stress at given strain | DIN 53452 | 39 MPa |
Impact strength 23°C / -30°C | DIN EN ISO 179/1eU | >40 kJ/m² / 30 kJ/m² |
Notched imp. strength 23°C / -30°C | DIN EN ISO 179/1eU | >7 kJ/m² / 5 kJ/m² |
Ball indentation hardness | DIN EN ISO 2039-1 | 80 MPa |
Thermal properties: | ||
Vicat B | DIN EN ISO 306 | 90°C |
Temp. of deflection under load A/B | DIN EN ISO 75 | 78°C / 89°C |
Continuous service temperature | 70°C | |
Coeffi. linear thermal expansion | ISO 7991 | 8-10 10-5/K |
Thermal conductivity | ISO 8302 | 0.17 W/m*K |
Specific heat | 1.2 kJ/kg*K | |
Electrical properties: | ||
Dielectric constant | IEC 250 | 02.05.16 |
Dielectric loss factor | IEC 250 | 4 10-4 |
Contact resistance | DIN EN 61340-5-1 | >1016 Ohm |
Surface resistivity | DIN EN 61340-5-1 | >1013 Ohm |
Dielectric strength | VDE 0303 | 155 kV/mm |
Typical properties: | ||
Processing shrinkage | 0.4-0.7% | |
Water absorption | ISO 62 | <0.1% |
Density | DIN EN ISO1183 | 1.05 g/cm³ |
Temperature range | -10 to +70°C | |
Weather resistance | x |