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CUMILITE Mullite refractories are manufactured from high purity mullite grains. CUMILITE refractories are extremely stable in service, unlike conventional mullite refractories. They are specially meant for applications that demand good chemical and mechanical stability, strength at high temperatures and resistance to spalling, corrosion and flame impingement. They outperform other refractories in high temperature volume stability in applications such as high intensity burner, carbon black reactors and other processes operated at extremes of temperature and corrosive conditions. Mullite products based on Silimanite, Andalusite and sintered mullite are widely used in glass and steel industry applications for their excellent thermal shock properties, creep resistance and resistance to chemical attack.


  • High refractoriness, creep resistance, volume stability
  • High erosion resistance, thermal spalling resistance
  • Withstand oxidizing and reducing atmospheres

Our Products:
  • CUMILITE W : 76% Alumina, Fused mullite with a secondary mullite bond
  • CUMILITE WHF : 76% Alumina, Fused mullite with a secondary mullite bond, High Fired 
  • CUMILITE HF : 86% Alumina, Fused mullite and tabular alumina with a secondary mullite bond, High Fired
USER Industries:
  • Glass
  • Iron & Steel
  • Petrochemicals, Fertilisers
  • Metallurgical industries
  • Ceramics
  • Carbon blac
  • Furnace super structure lining, Regenerator, Sub-paving
  • Blast Furnace, Stove, Torpedo ladle, Iron ladle
  • Burner blocks Heating element carrying plates
  • Kiln lining, Burner blocks & Kiln furniture
  • Reactor lining

Feasibility of special shapes require case-by-case study by CUMI manufacturing and Technical team. We would request all our customers to kindly ask CUMI Sales Representatives for detail Product Data, Quality Assurance Plans etc. as and when applicable