... ,85,90,92,95 etc We supply graphite 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 ... /30kgs in one MT-bag or on one pallet. CARBON ADDITIVE FOR IRON AND STEEL FACTORY