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Contact SupplierThe technical index of refractory fused calcium alumina cement :
Index
Items
AL-65
AL-70
AL-75
AL-80
Chemical (%)
Al2O3
63.5~66.5
68.5~71.5
73.5~76.5
78.5~81.5
CaO
32.5~34.0
26.5~30.5
24.0~26.0
17.0~20.0
SiO2
â?¤0.5
Fe2O3
â?¤0.5
TiO2
â?¤0.01
MgO
â?¤0.15
Specific surface area(m2/Kg)
â?¥5000
â?¥5000
â?¥5500
â?¥7000
Initial setting time (min)
â?¥40
â?¥45
â?¥30
â?¥15
Final setting time (h)
â?¤6
â?¤6
â?¤6
â?¤6
Compression strength(MPa)
Conservation for 24hrs
â?¥45.0
â?¥40.0
â?¥40.0
â?¥35
Rupture strength(MPa)
â?¥6.0
â?¥5.0
â?¥4.5
â?¥4.0
Refractoriness(°C)
1560
1560
1790
1790
Test Standard
KTB01013-2004
Package
Woven bag with plastic lining 25kg/bag
Usage
For atypic refractory material