1 Problem definition
Owing to a very high cobalt price and its fluctuations, caused in particular by the high and increasing demand for cobalt in electric mobility, the prices for glazes and engobes in the ceramic sector have risen steadily in recent years or fluctuated very widely depending on the daily price of the cobalt. As a result, the very popular dark (black) colours on the market have become very price-intensive, which is noticeable for the producers of glazes and engobes, the roofing tile manufacturers and the end user.
2 Objectives and experimental idea
The intention of a development...