EPU 41 | Elastomeric Polyurethane

Material

Technology: Digital Light Processing

Digital Light Processing (DLP) - EPU 41

Description

Carbon’s EPU 41 is a high-performance elastomeric polyurethane material with excellent flexibility, durability, and resilience. This material offers superior tear resistance and elongation properties, making it an ideal choice for applications where toughness and reliability are essential.

Carbons EPU 41 exhibits a high degree of chemical resistance, which allows it to withstand exposure to harsh chemicals, oils, and solvents. It also has excellent weather ability and can withstand extreme temperatures and harsh environmental conditions.

This material has a unique combination of properties, making it an excellent choice for various applications, including automotive, aerospace, consumer goods, and electronics. Its outstanding performance characteristics make it a preferred choice for manufacturers looking for high-performance elastomeric materials.

EPU 41 Applications

  • Consumer Products
  • Cushioning
  • Bike Seats
  • Foam Replacement
  • Gaskets
  • Industrial 
  • Seals
  • Shock Absorption 
  • Shoe Midsoles

Resources

Material Manufacturer: Carbon

EPU 41 Characteristics

Black

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

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

EPU 41 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
2200 psi
Tensile Modulus
1160 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
15 MPa
Tensile Modulus
8 MPa
Tensile Elongation at Break
300%

Digital Light Processing

Technology
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