Material

FPU 50

Flexible Polyurethane

Description

FPU 50 is an impact, abrasion, and fatigue-resistant semi-rigid material. It is an excellent choice for parts that must withstand repetitive stresses, such as living hinges or friction fits.

Key Characteristics

Black

Elastomeric  •  Good For Snap Fits  •  Impact Resistant  •  Low Friction

Applications

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

Mechanical Properties

General Accuracy

± .002 in + .011 in/in

Production Repeatability (95% of points)

± .002 in

Tensile Strength

4 ksi

Tensile Modulus

100 ksi

Elongation at Break

7%

Flexural Stress

4 ksi

Flexural Modulus

120 ksi

Heat Deflection at 264 psi

110° F

Resources

Technology

Digital Light Processing

Max Build Area

7.4 x 4.6 x 12.8 in

Lead Time

1 – 2 Days

Layer Thickness
  • Standard Resolution: .004 in
  • Fine Resolution: .002 in
  • Ultra Fine Resolution: .001 in

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Digital Light Processing Design Considerations

Feature

Measurement 

Supported Walls

.008 in (rigid) 

.04 in (flexible) 

Unsupported Walls

.012 in (rigid) 

.098 (flexible) 

Supports & Overhangs

25 degrees (rigid) 

45 degrees (flexible) 

Embossing & Engraving

Width: .008 in (rigid) and .035 in (flexible) 

Height/Depth: .004 in (rigid) and .02 in (flexible) 

Horizontal Spans

.12 in (rigid) 

.04 in (flexible) 

Holes & Openings

.12 in (rigid) 

.04 in (flexible) 

Connecting & Moving Parts

.12 in (rigid) 

.04 in (flexible) 

Escape Holes

.04 in

Minimum Features

.004 in (rigid) 

.04 in (flexible) 

Pin Diameter

.004 in (rigid) 

.04 in (flexible)