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State whether the following is true or false.
A single material can act as a flux in one body and a filler in another.

  • A.False only at small scales
  • B.True
  • C.False
  • D.True only at large scales

Answer: B

Correct answer: True

The role depends on the temperature reached and on what surrounds it, not on the material itself. Quartz is a filler in an earthenware body and takes part in the melt in a porcelain fired higher. Alumina fluxes nothing in a refractory and stiffens the melt in a glaze. The classification describes what a material does in a particular body at a particular temperature.

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