Tough and fatigue resistant
FPU 50 is an impact, abrasion, and fatigue resistant semi-rigid material that is a good choice for parts that must withstand repetitive stresses such as living hinges or friction fits. FPU 50 is mechanically comparable to polypropylene.
25 MPa
4 ksi
Ultimate Tensile Strength
700 MPa
100 ksi
Tensile Modulus
200 %
Elongation At Break
40 J/m
0.7 ft-lb/in
Impact Strength (Notched)
15 MPa
2 ksi
Yield Strength

Example Applications
These applications combine a need for toughness and fatigue resistance, in addition to isotropy, great surface finish, and accuracy.
3D Printed Parts in Production

Aptiv Dust Cap
A maritime wiring dust cap, made with FPU 50