Ceramic Resin, charcoal support material

I have done a couple of pieces with successful kiln runs. I have in the past used Precious Metal Clay. When sintering that one place the object in a stainless steel container of activated coconut charcoal. It offers support a the piece sinters and shrinks. any thoughts before i try it? thanks

You can also use sand instead of the charcoal

Hi, Thank you for the response.

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