Description

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.

USER INDUSTRIES

01
Glass
02
Iron & Steel
03
Petrochemicals, Fertilisers
04
Metallurgical industries
05
Ceramics
06
Carbon blackn

Technical Details

Applications

Product Details

Classification Temperature

Physical Properties UNIT Limit Value Typical Value
Maximum Hot Face Temperature °C 1800 1800
Bulk Density gm/cc 2.70 min. 2.75
Apparent Porosity % 22.0 max. 20.5
Cold Crushing Strength Kg/cm2 800 min. 950
Modulus of Rupture
At Room Temperature Kg/cm2 80 min. 100
At 1350°C 70 min. 90
Reheat Change
After heating at 1450 C for 6 hrs.
% +/-0.1 max. –
Thermal Conductivity
At 800 C Hot Face Temp. 2.0 max. 1.73
At 1000 C Hot Face Temp. W/m K 2.0 max. 1.68
At 1200 C Hot Face Temp. 2.2 max. 1.83
Chemical Analysis
Al2O3 86.0 min. 87.55
SiO2 11.0 max. 10.14
Fe2O3 0.15 max. 0.14
Recommended Laying Mortars CUMIBOND LM 36

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