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DATA SHEET GREENCAST 94 G

DESCRIPTION:

Greencast 94 G is a 94% alumina, hydraulic bonded gunning refractory, featuring high purity and strength, and excellent abrasion resistance. For use up to 1870°C

APPLICATIONS:

Greencast 94 G is used extensively in High Temperature Cyclones, Ladles for iron, copper, brass and nickel; Upper Case Sections of Vertical Channel Induction Furnaces. It is recommended for Secondary Reformer Sidewalls (Ammonia), and Direct Reduction of Iron Ore Vessels discharge Chutes and also Kiln Burner Pipe Linings and many similar applications.

CHEMICAL ANALYSIS - Calcined Basis

Silica ­ SiO2 Alumina ­ Al2O3 Iron Oxide ­ Fe2O3 Lime - CaO Magnesia - MgO Titania ­ TiO2 Alkalies - Na2O + K2O .................................................................................................. .................................................................................................. .................................................................................................. .................................................................................................. .................................................................................................. .................................................................................................. .................................................................................................. Trace 94.2% 0.2% 5.0% 0.1% 0.1% 0.3%

NOTE The test data shown are based on average results of control tests and are subject to normal variation on individual tests. These results cannot be taken as maximum or minimum requirements for specification purposes.

Ref: 28/8/9/08

GREENCAST 94 G

PHYSICAL PROPERTIES

Gunned Data

MAXIMUM RECOMMENDED TEMPERATURE QUANTITY REQUIRED ­ Net BULK DENSITY Cured and Then Dried at 105°C Heated at 820°C MAXIMUM TIME FROM ADDING WATER TO PLACING MATERIAL PERMANENT LINEAR CHANGE ­ ASTM C113 AND C865 Expansion or Shrinkage Cured and Then Dried at 105°C Heated at 820°C and Then Cooled Heated at 1100°C and Then Cooled Heated at 1370°C and Then Cooled Heated at 1600°C and Then Cooled Heated at 1760°C and Then Cooled MODULUS OF RUPTURE ­ ASTM C133 AND C865 Cured and Then Dried at 105°C Heated at 820°C and Then Cooled Heated at 1100°C and Then Cooled Heated at 1370°C and Then Cooled COLD CRUSHING STRENGTH ­ ASTM C133 AND C865 Cured and Then Dried at 105°C Heated at 820°C and Then Cooled Heated at 1100°C and Then Cooled Heated at 1370°C and Then Cooled PARTICLE SIZE ­ ASTM C92 Retained on 6 Mesh Tyler Screen (3.3 mm) THERMAL CONDUCTIVITY at a Mean Temperature of 205°C 425°C 650°C 870°C 1095°C 1315°C 1870°C 2485 Kgs/m3 Kgs/m3 2610 - 2725 2450 - 2563 10 Minutes

<0.05% Shr 0 - 0.4% Shr 0 - 0.5% Shr 0.5 - 1.3% Shr 0.5 Exp - 0.6% Shr 1 - 2% Shr MPa 7.0 - 14.0 5.0 - 9.0 5.0 - 9.0 5.0 - 9.0 35.0 - 55.0 28.0 - 50.0 22.0 - 45.0 39.0 - 45.0 Less than 1% W/mK 1.73 1.46 1.36 1.41 1.64 2.02

Ref: 28/8/9/08

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