SIL 30


SIL 30 is a biocompatible, and tear-resistant silicone urethane elastomer that is ideal for skin-contact applications.

SIL 30 (silicone urethane) opens up the ability to print customized applications for comfortable skin-contact products such as headphones, wristbands, and various attachments for wearables.

Mechanical Specifications

General Accuracy:

± .005 in + .018 in/in

Production Repeatability (95% of points):

± .003 in

Tensile Strength:

460 psi

Elongation at Break:



  • Consumer Products (headphones, wristbands, bike seats)
  • Industrial (foam replacements and bellows)


Key Characteristics

  • Grey
  • Elastomeric
  • Flexible
  • Biocompatible – Special processing may be required. Please notify us of any biocompatibility needs.

Are you ready to get your ideas made?

Our RFQ Team is standing by to give you a quote, and parts can be done in days, or contact one of our Solutions Managers for answers to a question! 


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