Polystyrene (PS)

Alternative and trade names
Styrolution®, Edistir®

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Description

Transparent polymers suitable for injection molding or extrusion of complex items requiring good toughness and improved elasticity. Its key features include:

Transparency

Color consistency

Easy processing

Stiffness with good mechanical strength

Thermal resistance

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Value	Temperature
Density	1.04 - 1.05 g/cm³ Show Material materials with Density of 1.04 - 1.05 g/cm³ at 23.0 °C	23.0 °C

Mechanical

Property	Value	Temperature	Comment
Elastic modulus	2 - 3.3 GPa Show Material materials with Elastic modulus of 2 - 3.3 GPa at 23.0 °C	23.0 °C
Elongation	1 - 7 % Show Material materials with Elongation of 1 - 7 % at 23.0 °C	23.0 °C
Impact strength, Charpy notched	2 - 6 kJ/m² Show Material materials with Impact strength, Charpy notched of 2 - 6 kJ/m² at 23.0 °C	23.0 °C
Impact strength, Charpy unnotched	7 - 18 kJ/m² Show Material materials with Impact strength, Charpy unnotched of 7 - 18 kJ/m² at 23.0 °C	23.0 °C
Tensile strength	20 - 60 MPa Show Material materials with Tensile strength of 20 - 60 MPa at 23.0 °C	23.0 °C	at 1-7% strain

Thermal

Property	Value	Temperature
Coefficient of thermal expansion	6E-5 - 9E-5 1/K Show Material materials with Coefficient of thermal expansion of 6E-5 - 9E-5 1/K at 23.0 °C	23.0 °C
Flammability	UL 94 HB
Max service temperature, long	60 - 80 °C Show Material materials with Max service temperature, long of 60 - 80 °C
Max service temperature, short	75 - 90 °C Show Material materials with Max service temperature, short of 75 - 90 °C
Specific heat capacity	1300 J/(kg·K) Show Material materials with Specific heat capacity of 1300 J/(kg·K) at 23.0 °C	23.0 °C
Thermal conductivity	0.16 - 0.18 W/(m·K) Show Material materials with Thermal conductivity of 0.16 - 0.18 W/(m·K) at 23.0 °C	23.0 °C

Electrical

Property	Value	Temperature
Dielectric constant	2.4 - 2.5 [-] Show Material materials with Dielectric constant of 2.4 - 2.5 [-] at 23.0 °C	23.0 °C
Electrical resistivity	1.00E+14 Ω·m Show Material materials with Electrical resistivity of 1.00E+14 Ω·m at 23.0 °C	23.0 °C

Optical

Property	Value
Transparency	yes

Technological properties

Property
Application areas	Packaging food, packaging cosmetics, horticultural pots, insulation panels
Processing methods	Injection molding, extrusion, thermoforming, foaming

Polystyrene (PS)

Description

Ashby charts

Applications

Suggested reading

Properties