Spherical asphalt is made from coal tar pitch by special molding process and a kind of asphalt product, has a fixed carbon, toluene insolubles high resin content, low ash, widely used in the blast furnace iron groove, blast furnace gunning material, ramming and castable and monolithic refractories, carbon materials, additives, can be a bond and a carbon effect, improve the ability of products of high temperature resistance, resistance to erosion.
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