White fused mullite is created in an electric arc furnace, like white fused alumina oxide, using a high purity alumina but also adding in silica. This fused combination of materials has a unique crystal shape that lends well to certain applications.


  • Investment cast shell or monoliths
  • Kiln furniture
  • Blocks for glass melting furnaces
  • Other refractory applications

Physical Characteristics:

  • Melting Point: ~3362° F (1860° C)
  • Shape: Orthorhombic Crystal
  • Excellent thermal stability
  • High resistance to thermal shock
  • High resistance to chemical corrosion