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High Strength Abrasion Resistant Castable
The structure of CFB boiler working lining is very complex, materials in recycling system has high fluidized speed and flow rate. So working lining refractory should have high strength, good abrasion resistance and good workability. High strength abrasion resistant castable adopts corundum, SiC and premium bauxite clinker as main raw materials, added with ultra micro powder and composite additives. It features in high medium temperature strength, good high temperature performance, good volume stability, strong resistance to molten slag permeation and corrosion, washing out resistant, convenient for construction, good integrity of lining structure and so on.
High strength abrasion resistant castable physiochemical indexes
Item
DFNM-1
DFNM-2
DFNM-3
DFNM-4
Al2O3%
70
75
80
85
SiO2 %
26
21
16
11
CaO %
2.5
1.5
1.2
1.0
Bulk density g/cm3
2.75
2.85
2.90
2.95
Crushing strength MPa(110℃,24h)
70
80
85
90
Modulus of rupture MPa(110℃,24h)
8
11
12
13
Thermal shock resistance(900℃, water cooling)
25
20
25
20
High strength abrasion resistant castable for sale
High strength abrasion resistant castable applications
High strength abrasion resistant castable is widely used in CFB boiler, power plant boiler, industrial boier, thermal furnaces and kilns, etc.. It is the most effective anti-abrasion refractory material used in CFB boilers.
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