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Refractory Material--
CALCINED KAOLIN
CALCINED KAOLIN
SiO
2
(%)
Al
2
O
3
(%)
Fe
2
O
3
(%)
TiO
2
(%)
CaO(%)
MgO(%)
K
2
O(%)
MnO(%)
53¡À1
45¡À1
¡Ü0.3
¡Ý0.6
¡Ü0.07
¡Ý0.06
< 0.05
< 0.004
mesh
Size(um90%)
whiteness
(%)
Suck Oil quality
(g/100g)
PH
Refractive index
water
325
43
91¡À0.5
30-35
6-8
1.62
0.1
600
20
92¡À0.5
30-35
6-8
1.62
0.1
800
15
93¡À0.5
35-40
6-8
1.62
0.1
1250
6
95¡À0.5
40-45
6-8
1.62
0.1
3000
4
94¡À0.5
45-50
6-8
1.62
0.2
6000
2
94¡À0.5
50-55
6-8
1.62
0.2
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