refractory material mullite aggregate for melting furnace is made of mullite brick as raw material, according to the customer's product demand, after the roller or Bamak and other crushing process after the processing of granular refractory raw materials, widely used in metallurgy, casting, chemical, Ceramics, building materials, oil, refractories and other industries. Mullite aggregate, that is, in the concrete from the skeleton or filling the role of granular loose material. Sub-thick aggregate and fine aggregate. Coarse aggregate, including gravel, gravel, waste residue, fine aggregate, including fine sand, fly ash, etc., it plays a very important role in the building, in the spices, the cement by water, Shaped, if not aggregated, it will not be molded, will lead to unusable.