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
Density	1.04 - 1.05 g/cm³ Show Material materials with Density of 1.04 - 1.05 g/cm³

Mechanical

Property	Value	Comment
Elastic modulus	2.0 - 3.3 GPa Show Material materials with Elastic modulus of 2.0 - 3.3 GPa
Elongation	1.0 - 7.0 % Show Material materials with Elongation of 1.0 - 7.0 %
Impact strength, Charpy notched	2.0 - 6.0 kJ/m² Show Material materials with Impact strength, Charpy notched of 2.0 - 6.0 kJ/m²
Impact strength, Charpy unnotched	7 kJ/m² Show Material materials with Impact strength, Charpy unnotched of 7 kJ/m²
	18 kJ/m² Show Material materials with Impact strength, Charpy unnotched of 18 kJ/m²
Tensile strength	20.0 - 60.0 MPa Show Material materials with Tensile strength of 20.0 - 60.0 MPa	at 1-7% strain

Thermal

Property	Value
Coefficient of thermal expansion	6e-05 - 9e-05 1/K Show Material materials with Coefficient of thermal expansion of 6e-05 - 9e-05 1/K
Specific heat capacity	1300 J/(kg·K) Show Material materials with Specific heat capacity of 1300 J/(kg·K)
Thermal conductivity	0.16 - 0.18 W/(m·K) Show Material materials with Thermal conductivity of 0.16 - 0.18 W/(m·K)
Flammability	UL 94 HB

Electrical

Property	Value
Dielectric constant	2.4 [-] Show Material materials with Dielectric constant of 2.4 [-]
	2.5 [-] Show Material materials with Dielectric constant of 2.5 [-]
Electrical resistivity	100000000000000 Ω·m Show Material materials with Electrical resistivity of 100000000000000 Ω·m

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