Elastomer 3D Printing

Choose from multiple 3D printing elastomeric materials that range in shore A hardnesses from 20A to 95A

Elastomer 3D printing can open up a range of design possibilities and provide a cost-effective solution for prototyping elastomeric parts, including multi-material overmolding designs.

We offer the following elastomeric 3D printing materials:

True silicone (SLA)

TPU (SLS)

Photopolymer (PolyJet)


Elastomer 3D Printing Material Properties

Property Test Method Value
Shore-A Hardness ISO 7619-1 20 35 50 60
Density ISO 1183-1 A 1.05 g/cm3 1.08 g/cm3 1.11 g/cm3 1.13 g/cm3
Tensile Strength ISO 37 Type 4 4.9 N/mm2 5.5 N/mm2 7.25 N/mm2 8.5 N/mm2
Elongation at Break ISO 37 Type 4 >1,000% 650% 530% 360%
Tear Strength ASTM D624 Type C 5.8 N/mm 10 N/mm 11 N/mm 17 N/mm
Rebound Resilience ISO 4662 >80% >80% >80% >80%
Compression Set DIN ISO 815-1 Type B <25% <20% <20% <20%

 

Material Color Tensile Strength Tensile Modulus Elongation
TPU 70A White 4.0 MPa 50.33 MPa 210%

 

Material Tensile Tear Strength Tensile Strength Elongation
30A 0.59 MPa 2.75 MPa 245%
40A 0.69 MPa 3.5 MPa 200%
50A 0.79 MPa 3.5 MPa 190%
60A 0.83 Mpa 4.0 Mpa 160%
70A 1.28 Mpa 5.0 Mpa 130%
85A 2.35 Mpa 7.5 Mpa 80%
95A 2.74 Mpa 12.0 Mpa 60%
Rigid n/a 60.0 Mpa 17.5%

 


Compare Material Properties at 30A Hardness

Compare Material Properties at 60A Hardness


Compare Elastomer Manufacturing Options

 

Manufacturing Technology Material Color Durometers* Max Part Size Surface Finish Cost Applications
SLA Silicone
  • Translucent white
  • Black
20 to 60A 4.7 in x 2.8 in. x 3.9 in. Smooth texture and absence of visible layers $$$
  • Prototyping molded silicone parts
  • Seals and gaskets
  • Wearables
  • Buttons
PolyJet Photopolymer
  • Black
  • Clear/translucent
  • White
30A to 95A 19.3 in. x 15.4 in. x 7.9 in. Smooth texture $$
  • Overmolding prototypes
SLS TPU
  • White
70A 10.6 in. x 12.6 in. x 16 in. Rougher, sugar-cube like texture $
  • Grips, hoses
  • Applications where resistance under dynamic loading is required
Injection Molding LSR
  • White
  • Optically clear
  • Variety of colors
30A to 70A 12 in. x 8 in. x 4 in. Smooth texture, multiple options $$$$
  • High-volume prototyping, pilot runs
  • End-use production parts

*Shore A Hardness


Silicone Elastomer Parts

Applications for 3D-Printed Elastomers

Elastomeric 3D printing enables the production of complex elastomeric parts and can be a cost-effective prototyping solution for parts that will eventually be injection molded.

  • Custom, patient- or customer-specific parts
  • Seals, gaskets, and grommets
  • Hoses
  • Handles with grip
  • Keypads and buttons
  • Surgical models
  • Overmolding prototypes
  • Wearables