Monolithic Refractories
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Clay Refractory Castable

Main Composition: Al2O3≥50%
Application: Industrial Furnaces
Raw Material: Refractory Clay
Color: Yellow
Max Service Temperature: >1500℃
Bulk Density: ≤2.4g/cm3
Capacity: 3000 MT per month
Package: Export Wooden Pallets and Paper Bags
Introduction:
Clay refractory castable is made of refractory clay clinker as aggregate, with aluminum oxide powder and soft clay binder added. It is prepared according to the proportion of formula and mixed by a blender for more than 5 minutes. The general temperature of use is 1300-1450℃.
 
Features:
1. Good performance in high temperature.
2. High strength. 
3. Good spalling resistance.
4. Good plasticity.
 
Application:
It is commonly used in steel rolling heating furnace, soaking furnace, mixing furnace, blast furnace, electric furnace etc.
 
Technical Data:
Item Unit Index
Al2O3   ≥ % 50
SiO2   ≥ % 39-45
Bulk Density   ≤ g/cm³ 2.4
Max Service Temperature   ≥ 1500
Linear Change on Reheating 900℃×3h  
%
1000(℃) -0.1
1200℃×3h -
1500℃×3h ±0.3
Modulus of Rupture 110℃ drying Mpa 10
1200℃×3h 9
Crushing Strength 110℃ drying Mpa 90
1200℃×3h 70
Thermal Conductivity   ≤ W/m·k 1.25(800±25℃)
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