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Features:Carbon Additive, Calcined anthracite Coalis produced when anthracite is calcined under the temperature of 1,200-1,400°C in vertical shaft furnaces to obtained a devocalized and partially graphitized product. Calcining is controlled to achieve specific characteristics.Application:It is used in electric steel ovehns, water filtering, rust removal in shipbuilding, and production of carbon material..We can supply low sulfur calcined anthracite. Carbon content is from 90% to 95%. Size is under customers’ requirements.Specifications:GradeChemical Composition(%)F.C.AshV.M.SMoisture%(min)%(max)1954.01.00.251.02945.01.00.251.03936.01.20.301.04926.01.20.301.05908.51.50.351.0Size1-2mm, 1-4mm,4-10mm,1-5mm, 90%min,or at customer’s option;PackingIn 50kgs or 1MT big bag, or at customer's option;