Ionomer vs. PS

Both ionomer and PS are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ionomer and the bottom bar is PS.

Ionomer Polystyrene (PS)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		0.4
Elastic (Young's, Tensile) Modulus, GPa		1.9 to 2.9

Elongation at Break, %		350
Elongation at Break, %		1.8 to 40

Tensile Strength: Ultimate (UTS), MPa		37
Tensile Strength: Ultimate (UTS), MPa		32 to 44

Thermal Properties

Maximum Temperature: Mechanical, °C		75
Maximum Temperature: Mechanical, °C		70

Vicat Softening Temperature, °C		72
Vicat Softening Temperature, °C		100 to 110

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm		39
Dielectric Strength (Breakdown Potential), kV/mm		18 to 20

Otherwise Unclassified Properties

Density, g/cm³		0.94
Density, g/cm³		1.0

Common Calculations

Stiffness to Weight: Axial, points		0.24
Stiffness to Weight: Axial, points		1.0 to 1.5

Stiffness to Weight: Bending, points		26
Stiffness to Weight: Bending, points		40 to 45

Strength to Weight: Axial, points		11
Strength to Weight: Axial, points		8.5 to 12

Strength to Weight: Bending, points		26
Strength to Weight: Bending, points		22 to 26