Carbon

EPU 40 (Elastomeric Polyurethane)

Flexible/Elastomeric

Athletic footwear midsoles, protective impact padding, vibration isolators; Carbon DLS

MSRP
$260 /kg
Technology
Resin
Data confidence
—
View Flexible Resin guide

Full specifications

Mechanical

Tensile strength
9 MPa
Elongation at break
280 %
Shore hardness
70A

Thermal

Glass transition
-15 °C
Max service temp
50 °C

Curing & print

Viscosity @ 25°C
1400 cP
Cure wavelength
385-405nm nm
Post-cure
8 hr @ 120°C dual-cure thermal bake
Shrinkage / accuracy
2.40%
Water-washable
No

Physical

Density
1.05 g/cm³
Available colors
Black
Biocompatibility
High energy return & damping

Similar resin

Zortrax

Zortrax Resin Flexible Tough

Flexible/Elastomeric
MSRP
$110 /kg
No listing
Siraya Tech

Tenacious Obsidian Black

Flexible/Elastomeric
MSRP
$65 /kg
No listing
Spot-A Materials

Spot-E Flexible Elastomeric

Flexible/Elastomeric
MSRP
$85 /kg
No listing
SprintRay

Gingiva Mask

Flexible/Elastomeric
MSRP
$189 /kg
No listing
3D3DPrintInfo

The reference for every consumer and prosumer 3D printer, material and accessory — researched, compared and explained.

3DPrintInfo is reader-supported. Some links are affiliate links — we may earn a small commission if you click through and make a purchase, at no additional cost to you. These commissions help keep the site running and never affect which products we list, the specs we publish, or our ratings. Our editorial choices are independent of any affiliate relationship.

As an Amazon Associate I earn from qualifying purchases. Prices, availability and retailer offers change frequently and are set by the retailer, not by us — always check the retailer's page for the current price and terms before buying. Read the full Affiliate Disclosure.

© 2026 3DPrintInfo. All rights reserved.