Discussion
In a triaxial body the role of quartz is chiefly to
Answer: D
Correct answer: act as a filler controlling shrinkage and distortion
Quartz is the non-plastic skeleton. It reduces the total shrinkage because it does not shrink itself, opens the body so that drying and firing gases can escape, and gives the piece enough rigidity at temperature to resist sagging. What it does not do is contribute plasticity, colour or fluxing.
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