The excavated material is crushed into small chips in a beater mill. It is then subsequently crushed into powder in a Muller and the powder is sieved through a screen. The screened fine powder can be blended with other ceramic raw materials based on the body formulation of individual ceramic bodies. Alternatively these chips from […]

Shale is a variety of clay that is naturally indurated and compressed hard under high pressure of the strata. They generally occur in stratified layers and occupy an intermediate position between clay and slate. The chemical composition varies greatly from mine to mine. The slaking property of shale is very poor — unless it is […]