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Ask HN: What plate material which is heat resistant, non heat-conductive
What plate or container material which is heat resistant but non heat-conductive, so to preserve heat of melted metal put upon its surface?
- samstave 6y agoSpace-shuttle asbestos/ceramic tiles. AeroGel. Other Ceramics.
- compressedgas 6y agoThe two materials commonly used for crucibles are alumina ceramic and graphite.
- mikewarot 6y agoThe cheapest crucible ever is this bread made into one by AVE that actually held molten aluminum. https://www.youtube.com/watch?v=L-qOIO6IQWk https://www.youtube.com/watch?v=L-qOIO6IQWk Carbon Aerogels can be made by heating bread in an inert atmosphere and baking out everything not carbon.