Whytheat A 90% Alumina Dense Castable
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Our Whytheat A 90 Alumina Dense Castable is useful for forming strong joints and is used extensively in building material, metallurgy and petrochemical industries.
Product Type Whytheat A 90% Alumina Dense Castable
Nature of Bond Hydraulic
Installation Vibration Casting
General Properties
Max. Service Temperature 1700° C
Maximum Grain Size 5 mm
Water Required For Casting 8.0-10.0%
Chemical Analysis % Typical Value
AI.O. 85-90
FeA 0.8-1.5
CaO 5.5-6.5
Physical Properties
after drying at 110°C/24 hrs 2.65 - 2.80
CCS, kg/cm2 after drying at 110uC/24hrs 600 - 700
after heating at 1100°C/3 hrs 300-400
Product Type Whytheat A 90% Alumina Dense Castable
after heating at 1300°C/3 hrs  
after heating at 1400°C/3 hrs  
after heating at 1550°C/3 hrs 650-800
% retained on max. size 0.5
Thermal Properties  
Refractories, Orton / °C PLC, % 0.02032967
after heating at 1100°C/3 hrs -0.40 to +0.20
after heating at 1300uC/3 hrs  
after heating at 1400°C/3 hrs  
after heating at 1500nC/3 hrs  
after heating at 1550°C/3 hrs -1.00 to -2.50
At 500°C HF -
Packaging 50 kg bags
Storage life 9 months
Delivery state dry
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