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Monolithic refractories
Low-cement castables applicable to labor-saving method
Rheo-flow (RF)
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Product
RF-CRX-RE
RF-CC-RE
RF-GX-RE
RF-GX-SR-RE
RF-GX-AL
Raw materials
High purity alumina
High purity alumina
High alumina bricks
High alumina bricks
High alumina bricks
Max operating temperature(°C)
1750
1650
1600
1600
1600
Fill factor(t/m
3
)
3.21
3.13
2.87
2.93
2.94
Water additions(wt%)
4.3 - 5.3
5.2 - 5.6
5.5 - 6.5
5.5 - 6.5
5.0 - 6.0
Chemical composition(%)
SiO
2
5
5
12
12
12
Al
2
O
3
93
93
82
80
81
SiC
2
Bulk specific gravity
110°Cx24hrs.
3.21
3.13
2.87
2.93
2.94
( )Temp.x3hrs.
3.24
(1400)
3.10
(1400)
2.82
(1400)
2.80
(1400)
2.87
(1400)
Compressive strength
( )Bending strength
(MPa)
110°Cx24hrs.
100
(18)
83
(15)
73
(16)
103
(18)
93
(19)
1000°Cx3hrs.
140
(27)
118
(25)
108
(18)
123
(22)
123
(20)
1200°Cx3hrs.
1300°Cx3hrs.
1400°Cx3hrs.
135
(29)
137
(29)
108
(18)
142
(24)
137
(23)
Premanent linear change(%)
110°Cx24hrs.
0
0
0
0
0
( )Temp.x3hrs.
-0.3
(1400)
-0.2
(1400)
0.3
(1400)
0.7
(1400)
0.3
(1400)
Porosity(%)
110°Cx24hrs.
7
9
11
11
8
1000°Cx3hrs.
15
17
20
18
19
1200°Cx3hrs.
1300°Cx3hrs.
1400°Cx3hrs.
14
17
22
18
20
Thermal expansion(%)
at1000°C
0.7
0.7
0.7
0.7
0.7
Thermal conductivity
(W/mK)
at500°C
3.7
3.7
3.1
3.1
3.1
at1000°C
3.6
3.6
2.8
2.8
2.8
Standard package quantity(kg)
25
25
25
25
25
Typical applications
Types of kilns,
Cement kiln
Types of kilns,
For thin layer installation
Types of kilns,
Cement kiln
Types of kilns,
Cement kiln
Aluminum melting furnace
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