NEMA Laminate vs. PAR

NEMA laminate belongs to the thermoset plastics classification, while PAR belongs to the thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is NEMA laminate and the bottom bar is PAR.

NEMA Industrial Laminate Polyarylate (PAR)

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa		190 to 360
Compressive (Crushing) Strength, MPa		93

Flexural Modulus, GPa		6.4 to 18
Flexural Modulus, GPa		2.1

Flexural Strength, MPa		87 to 340
Flexural Strength, MPa		75

Impact Strength: Notched Izod, J/m		20 to 430
Impact Strength: Notched Izod, J/m		220

Tensile Strength: Ultimate (UTS), MPa		55 to 260
Tensile Strength: Ultimate (UTS), MPa		67

Thermal Properties

Thermal Expansion, µm/m-K		9.0 to 20
Thermal Expansion, µm/m-K		88

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm		12 to 21
Dielectric Strength (Breakdown Potential), kV/mm		16

Otherwise Unclassified Properties

Density, g/cm³		1.3 to 1.9
Density, g/cm³		1.2

Water Absorption After 24 Hours, %		0.17 to 3.5
Water Absorption After 24 Hours, %		0.26

Common Calculations

Strength to Weight: Axial, points		8.3 to 40
Strength to Weight: Axial, points		16

Strength to Weight: Bending, points		17 to 50
Strength to Weight: Bending, points		31