Whytheat A 90% Alumina Dense Castable (Superior Strength)
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We are involved in producing high quality Dense Castables. Whytheat A 90% Alumina Dense Castable (Superior Strength) Castable is useful for forming strong joints.
Product Type Whytheat Super A
Nature of Bond Hydraulic
Installation Vibration Casting
General Properties
Max. Service Temperature 1750° C
Maximum Grain Size 5 mm
Water Required For Casting 8.0-9.5%
Chemical Analysis % Typical Value
Al2O3 85-90
Fe2O3 0.8- 1.5
CaO 5.5 - 6.5
Product Type Whytheat Super A
Physical Properties
Bulk density g / cc
After drying at 110°C/24 hrs 2.80 – 2.95
CCS, kg/cm2 after drying at 110°C/24hrs 850-950
After heating at 1100°C/3 hrs 400-500
After heating at 1550°C/3 hrs 650-750
% retained on max. size 0-5
Thermal Properties  
Refractoriness, Orton / °C +37/1820
After heating at PLC%  
After heating at 1100°C/3 hrs -0.40 to +0.20
After heating at 1550°C/3 hrs -0.70 to -2.20
Packaging 25 kg bags
Storage life 6 months
Delivery state dry
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