Immersion of Porcelain Cups | Sheilot

Immersion of Porcelain Cups

Question

I bought a set of several small cups that seem to be made of simple porcelain clay and appear to be coated with lacquer or something shiny. Do they need to be immersed? I bought them very cheaply and thought of using them as disposable (for example, for trips).

Answer

Hello 

Cups that require immersion should not be used without immersion, even on a one-time basis. 

Clay vessels do not require immersion. 

However, porcelain vessels are customarily immersed out of doubt, lest they be coated with glaze. 

Answered 5 March 2025 How answers are reviewed
Answered by
Answers questions at Rav Amram Fried's Beit Horaah
Smicha "Yoreh-Yoreh" (2012), Rav Amram Fried's Beit Horaah
Orach Chaim, Yoreh Deah
About the Rabbi

Source

Shulchan Aruch, Yoreh De'ah, Siman 121

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