Insight Podcast: Liquid Silicone Rubber Q&A

​In this episode we answer your questions on Liquid Silicone Rubber (LSR) with Richard Anthony, an Application Engineer at Protolabs and our Injection Moulding Champion for Europe. See below for a list of questions answered in this session:

  • What is LSR?
  • What industries is this application used for?
  • What are the similarities between LSR and standard Injection Moulding?
  • What is the maximum part size for LSR?
  • What kind of finish can I expect from a LSR part?
  • Would I need to consider draft?
  • Should I anticipate sink with LSR?
  • Is the part ejected using pins?
  • Can I produce parts with undercuts and is there anything I need to consider here?
  • What types of LSR do Protolabs offer?
  • In optical LSR, is there any discolouration?
  • Can you mould parts in different colours?
  • Why am I not able to supply you with a different grade of silicone to mould my parts in?


Never miss an Insight Podcast, subscribe here!