Application:
Westerwalder lean Clay. For architectural ceramics, earthenware, stoneware.
Chem. analysis in %:
SiO2 80.05; Al2O3 15.54; TiO2 1.48; Na2O 0.15; K2O 1.60;
Fe2O3 0.61; CaO 0.19; MgO 0.25; Loss of ignition 4.70.
Grinding fineness in %:
> 63 µm mesh plus 5.0.
Firing shrinkage 0.2%, Water absorption 13.5%
Original unit:
50kg bag
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