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Question:

What type of clay is good for pit-fire bisqueing and pit-fire coloring?

What type of clay is good for pit-fire bisqueing and pit-fire coloring?

Answer:

Aluminium is highly reactive metal and it reacts with O2 present in air to form aluminium oxide that forms a protective layer and prevents its further reactionSo, it is used to make utensils for cooking.
Aluminum reacts with oxygen in the air to form a protective layer of aluminum oxide (Al2O3)The latter reacts with almost nothing!
Because it is inexpensive, lightweight, withstands heat fairly well, and is less reactive than other inexpensive metals.
you might make a deal with a local potter to fire your bisque ware if you deal with a lot of potsTo answer your question since you are not firing high temp you can get by with much cheaper low fire clayYou will want to use a lot of grog which is a thermal protector from temp differencesIt is used a lot in sculpture clay as well.

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