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Kiln furniture such as batts and props must be made of a material that

  • A.withstands the firing temperature and thermal cycling
  • B.melts readily at the peak temperature of the kiln
  • C.is identical in composition to the ware it carries
  • D.conducts electricity right through the kiln structure

Answer: A

Cordierite, silicon carbide and mullite are common choices depending on the temperature and the load. Furniture is a substantial part of the mass heated in every cycle, so its weight is minimised as far as strength allows.

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