... carburetant,carbon additive.used for steel-smelting,casting and friction material.We supply graphite carburetant ,carbon ... additive,used for steel-smelting,casting and friction material. Calcined Anthracite Coal Carbon Additive 1 ... is produced when Anthracite is calcined under the temperature of 1240°C in vertical shaft ... one pallet. CARBON ADDITIVE FOR IRON AND STEEL FACTORY