Polymers

Polystyrene (PS)

Discovery

Was discovered in 1839 by Eduard Simon, a German pharmacist and chemist. Polystyrene (PS) is typically an amorphous polymer.

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General Data

Estimated price of Polystyrene (PS) 1.5 USD per Kilogram. Density: It has a relatively low density, making it lightweight.

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mechanical properties

Tensile elastic modulus(GPa): PS crystal: 3.0 - 3.4 PS shock: 2.0 - 2.5Elongation at break in traction (%): PS cristal: 1- 4 PS choque: 20 - 65

Tensile breaking load (MPa): PS crystal: 40 - 60 PS shock: 20 - 35Flexural Modulus (GPa): PS cristal: 3.0 - 3.4 PS choque: 1.6 - 2.9 Charpy impact resistance (kJ/m2): PS cristal: 2 PS choque: 3 - 12 Shore D hardness: PS cristal: 85 - 90 PS choque: 60 - 75

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thermal properties

Melting Point: 240 to 260 °CThermal Conductivity: 0,12 W / mK Glass Transition Temperature (Tg): 100 °C

Applications of Polystyrene

Packaging

PS is commonly used for packaging materials, including foam peanuts, food containers, and protective packaging.

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Insulation

EPS and XPS are widely used for thermal insulation in construction and packaging applications.

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Foodservice Products

Disposable cups, plates, and cutlery are often made from GPPS.

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Electronics

PS is used for making CD and DVD cases and other electronic packaging.

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Medical Equipment

PS is used in medical equipment, such as Petri dishes and test tubes.

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