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
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)
