Chemical Engineering - Refractory Technology - Discussion

Discussion Forum : Refractory Technology - Section 5 (Q.No. 22)

Refractory Technology

22.

Pick out the wrong statement.

Fluxing material like lime is added in clay to reduce the vitrification temperature.

Main constituents of clay are alumina and silica.

Addition of sand in ceramic materials makes it non-plastic, increases its fusion point and reduces its shrinkage on burning.

Vitrification of fireclay material is done to increase its porosity.

Answer: Option

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