FPU 50


FPU 50 is an impact, scratch, and fatigue resistant semi-rigid material.

FPU 50 (flexible polyurethane) is is comparable to injection-molded polypropylene and a great choice for parts that need fatigue resistance such as living hinges or friction fits.

Mechanical Specifications

General Accuracy:

± .002 in + .011 in/in

Production Repeatability (95% of points):

± .002 in

Tensile Modulus:

109,000 – 141,000 psi

Tensile Strength:

4,000 – 4,400 psi

Elongation at Break:

265 – 295 psi

Flexural Modulus (chord, .5-1% strain):

116,000 – 126,000 psi

Flexural Stress at 5% strain, no yielding:

4,400 – 4,800 psi

Heat Deflection at 264 psi:



  • Industrial
  • Electronics (Circuit Boards, Microelectronics, Underwater Cabling)
  • Consumer Products
  • Living Hinges


Key Characteristics

  • Black
  • Elastomeric
  • Good For Snap Fits
  • Impact Resistant
  • Low Friction
  • High Resolution/High Detail

Are you ready to get your ideas made?

Our RFQ Team is standing by to give you a quote, and parts can be done in days, or contact one of our Solutions Managers for answers to a question! 


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