Railways to buy 125,000 bags of silica sand for ...
Mar 31, 2020· Clean silica sand free of clay, loam, mica and other foreign material is commonly used for traction sand as well as braking sand for trains, trams and other locomotives. "Each wagon should be loaded with 1,800 (one thousand eight hundred) bags of dried, sifted and bagged sand each weighing 20kg, totalling 36 tonnes of sand.