What key ingredient is used to make porcelain?

Kaolin.

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Why: Porcelain is made by heating materials that generally include kaolin, also called china clay.

Huh, didn't know that: Porcelain is made by heating materials that generally include kaolin, also called china clay.

The dad joke
Kaolin is the china of china clay.
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References

Answer: Kaolin. Porcelain is made by heating materials that generally include kaolin, also called china clay.

  1. Pottery en.wikipedia.org/wiki/Pottery
    Porcelain is made by heating materials, generally including kaolin, in a kiln
    Checked 2026-11-07.

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