South Africa Chromite sand for foundry
chromite sand is used in the foundry industry as a moulding sand, as a pigment in ceramic glazes and container glass, and as an additive in brake lining applications. Chromite sand is characterised by: high melting point excellent thermal stability high density medium Mohs hardness of 5.5 CHEMICAL COMPOSITION Cr2O3 ≥46.0% SiO2 ≤1.0% FeO ≤26.5%