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PEEK vs. NEMA Laminate

PEEK belongs to the thermoplastics classification, while NEMA laminate belongs to the thermoset plastics. There are 12 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 PEEK and the bottom bar is NEMA laminate.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 120 to 300
190 to 360
Flexural Modulus, GPa 3.8 to 19
6.4 to 18
Flexural Strength, MPa 150 to 330
87 to 340
Impact Strength: Notched Izod, J/m 78 to 120
20 to 430
Shear Strength, MPa 50 to 100
69 to 140
Tensile Strength: Ultimate (UTS), MPa 97 to 200
55 to 260

Thermal Properties

Maximum Temperature: Mechanical, °C 330
120 to 200
Thermal Expansion, µm/m-K 15 to 52
9.0 to 20

Otherwise Unclassified Properties

Density, g/cm3 1.3 to 1.5
1.3 to 1.9
Water Absorption After 24 Hours, % 0.060 to 0.3
0.17 to 3.5

Common Calculations

Strength to Weight: Axial, points 20 to 41
8.3 to 40
Strength to Weight: Bending, points 36 to 55
17 to 50