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Material

EPU 40 | Elastomeric Polyurethane

Technology: Digital Light Processing

Digital Light Processing (DLP) - EPU 40

Description

Carbon’s EPU 40 elastomeric polyurethane material is a high-performance elastomer that offers excellent elastic recovery, tear resistance, and high impact strength. It is specifically formulated for 3D printing, making it an ideal material for producing durable and flexible parts, such as gaskets and seals. The EPU 40 material has unique properties that make it suitable for various applications, including automotive, industrial, and medical devices. Additionally, this material is resistant to multiple chemicals and environmental factors, which can help extend the life of components made from it. With its high-performance characteristics and versatility, Carbon’s EPU 40 elastomeric polyurethane material is an excellent choice for those looking to produce challenging, durable, and reliable parts.

EPU 40 Applications

  • Consumer Products
  • Cushioning
  • Foam Replacement
  • Gaskets
  • Industrial 
  • Seals
  • Shock Absorption 

Resources

Material Manufacturer: Carbon

EPU 40 Characteristics

Black

  • Black
  • Biocompatible*
  • Chemical Resistant
  • Elastomeric
  • Flexible
  • Impact Resistant
  • Tear and Wear Resistant

*Special processing may be required. Please notify us of any biocompatibility needs.

EPU 40 Mechanical Properties

Tolerance Guide
Based on a .08 in wall thickness.
General Accuracy
± 0.003 in + 0.010 in/in
Production Repeatability
(95% of points)
± 0.003 in
Additional XYZ Scale Factor
(Wall Thickness)
0.02 in: 1.015
0.04 in: 1.012
0.1 in: 1.010
0.3 in: 1.000

Mechanical Properties

Tensile Strength
1300 psi
Tensile Modulus
1200 psi
Tensile Elongation at Break
300%
Tolerance Guide
Based on a 2 mm wall thickness.
General Accuracy
± 0.075 mm + 0.25 mm/mm
Production Repeatability
(95% of points)
± 0.075 mm
Additional XYZ Scale Factor
(Wall Thickness)
0.5 mm: 1.015
1 mm: 1.012
2.5 mm: 1.010
7.6 mm: 1.000

Mechanical Properties

Tensile Strength
9 MPa
Tensile Modulus
8 MPa
Tensile Elongation at Break
300%
Technology

Digital Light Processing

Max Build Area

7.4 x 4.6 x 12.8 in

Lead Time

1 – 4 Days

Layer Thickness
  • Standard Resolution: 0.004 in
  • Fine Resolution: 0.002 in
  • Ultra Fine Resolution: 0.001 in

Digital Light Processing Design Recommendations

Feature Measurement

Connecting & Moving Parts

Rigid: 0.12 in
Flexible: 0.04 in

Escape Holes

Rigid: 0.04 in
Flexible: 0.04 in

Embossing & Engraving

0.02 in SIL 30
0.01 in all other material

Holes & Openings

0.002 in

Horizontal Spans

2x overhangs

Minimum Features

Rigid: 0.004 in
Flexible: 0.04 in

Pin Diameter

Rigid: 0.004 in
Flexible: 0.04 in

Supports & Overhangs

0.04 in EPU 40 &41 & SIL 30
0.08 in RPU 70 & 130, FPU 50, & EPX 82
0.12 in MPU 100 & UMA 90

Walls (Supported)

0.06 in RPU 130, EPX 82, & SIL 30
0.04 in all other materials

Walls (Unsupported)

0.1 in

Feature Measurement

Connecting & Moving Parts

Rigid: 3 mm
Flexible: 1 mm

Escape Holes

Rigid: 1 mm
Flexible: 1 mm

Embossing & Engraving

0.5 mm SIL 30
0.3 mm all other materials

Holes & Openings

0.04 mm

Horizontal Spans

2x Overhangs

Minimum Features

Rigid: 0.1 mm
Flexible: 1 mm

Pin Diameter

Rigid: 0.1 mm
Flexible: 1 mm

Supports & Overhangs

1.0 mm EPU 40 & 41 & SIL 30
2.0 mm RPU 70 & 130, FPU 50, EPX 82
3.0 mm MPU 100 & UMA 90

Walls (Supported)

1.5 mm RPU130, EPX 82, & Sil 30
1 mm all other materials

Walls (Unsupported)

2.5 mm