this post was submitted on 17 Nov 2023
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Melitta, Hario and various others offer pour-over cone things made out of ceramic. I agree I’d prefer that to a plastic one as anything involving plastic and boiling water seems like a bad idea to me.
I prefer the glass versions to ceramic, as ceramic really sucks the heat out of the slurry. Hario has a beautiful glass v60. Also I have the new glass Orea V3 flat bottom brewer.
One of the advantages of plastic is it's really low thermal conductivity compared to even glass. You're right about glass vs ceramic. Ceramic is about 100x more thermally conductive than glass. Ranked by least thermally conductive to most it's plastic, glass, stainless steel, and ceramic. Each is roughly an order of magnitude greater than the previous.
Of course you can overcome this with anything by warming it before use.