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Material

RPU 70

Rigid Polyurethane

Description

RPU 70 is a tough, rigid material that is a good choice for parts requiring strength, toughness, and moderate heat-resistance.

Key Characteristics

Black

Impact Resistant  •  Good For Snap Fits  •  Rigid

High Strength  •  Heat Resistant

Biocompatible – Please notify us of any biocompatibility needs. 

Applications

  • Consumer Products
  • Automotive
  • Industrial
  • Housings, covers, clips, badges, brackets, snap-fits

Mechanical Properties

General Accuracy

± .003 in + .011 in/in

Production Repeatability (95% of points)

± .002 in

Tensile Strength

6 ksi

Tensile Modulus

245 ksi

Elongation at Break

5%

Flexural Stress

8 ksi

Flexural Modulus

220 ksi

Heat Deflection at 264 psi

110 °F

Resources

Material Manufacturer: Carbon

Data Sheet

Safety Data Sheet

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) 

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