Discussion
State whether the following is true or false.
Casting rate can be increased by raising the solids content of a well-deflocculated slip.
Answer: D
Correct answer: True
A higher solids content means less water to remove for the same wall thickness, so the cast builds faster. The proviso matters: it is only achievable with good deflocculation, since without it a concentrated slip becomes too viscous to pour or to fill fine detail. Raising solids and holding viscosity down is the whole purpose of the deflocculant.
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