Once the slip has been screened into a large tub, Hunt and Dalglish mix in commercial powdered materials, like feldspar, silica, and ball clay. The clay they use melts at such a high temperature that ...

Coupled feldspar dissolution and secondary mineral precipitation in batch systems: 6. Labradorite dissolution, calcite growth, and clay precipitation at 60 °C and pH 8.2–8.4 ...