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custom molded rubber


Hearing Aid Components


Hearing Aid Rubber Parts for Acoustic Performance

Flexan excels at custom rubber formulations and parts for hearing aids and acoustic technologies such as microphones and ear pieces. We have developed a unique library of custom formulations designed specifically for their acoustic properties and energy damping capabilities, as well as their chemical and environmental resistance, including Q-Flex tubing and molding compounds.

Hearing Aid Rubber Parts

  • Ear tips
  • Domes
  • Sound tubes
  • Suspensions
  • Microphone boots
  • Receiver boots
  • Grommets
  • Q-Flex Tubing


  • Hearing aids
  • Microphones
  • Headsets
  • Communication ear pieces
  • Ear buds

Commonly Used Hearing Aid Elastomers

  • Q-Flex (Flexan proprietary material for tubing and molding)
  • Fluorocarbon (Viton and other FKM’s)
  • Fluorosilicone
  • Butyl
  • Chloroprene (Neoprene)
  • Silicone 

Industry Standards

  • FDA
  • Biocompatibility

Taking the Guesswork out of Rubber Molding & Compounding