There is lots of debate regarding microwaving plastics, even if they are BPA-free.

Curious if there is a definitive risk of using a microwave sterilizer (steriliser) (such as the Avent) vs. using an electric steam sterilizer (also made by Avent) with BPA-free bottles.

  • This may be more suited for skeptics.stackexchange.com . Anyway microwaves only heat the water so the risk is the same in both cases imho.
    – w00t
    Commented Sep 24, 2012 at 20:38
  • What is the concern about microwaving plastics, when it's not BPA? Commented Sep 28, 2012 at 14:08

1 Answer 1


I don't think there's enough research in the matter to make a judgement, studies on these types of things take years, and often contradict each other. I'd be on the safe side and use an electric steam sterilizer as I don't know the answer. there's other good reasons for using an electric one:

  • They are nearly silent, and microwaves are noisy
  • They are a bit more efficient than microwaves. Microwaves are an expensive way to boil water, which is all that sterilization is about really

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