Chromite Sand Refractory chromite in granular form (chromite sand) is widely used in the foundry industry for both ferrous and non-ferrous castings, particularly in the automotive, shipbuilding and heavy-engineering sectors. The merits of chromite foundry sands include high refractoriness, good chemical stability, low thermal expansion – which means the mould retains a stable size – and high density and thermal conductivity (which promote rapid solidification of the casting). Chromite sand main characteristics: Melting Temperature is 2150 ̊C High Thermal Conductivity High Heat and Thermal shock Resistance Slag Resistant Stable Shape due to the Heat Analysis Result % AFS 51.59… Read more…