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Seal Refractory Material for Electrical Station Boilers
Counter 282   Addtime：2006-07-05 18:57:34
Brand name
Item
Micro-Expansion Plastic Material
Abrasion Resistance Plastic Refracory Material
XSG4-1
XSG4-12
XNMS-1
XNMS-2
XNMS-3
XNMS-4
SiC ≥%
45-50
70
80
75
65
55
SiO2≤%
45-50
15
25
30
40
Fe2O3≤%
1.0
1.5
1.8
2.0
Linear change after heating 1200℃*3h%
0~+1.0
0~+1.0
-0.53
-0.3
-0.5
-0.5
Bulk density≥g/cm3
2.0
2.3
2.6
2.5
2.5
2.4
Crushing strength ≥MPa
110℃
20
25
70
60
50
50
1000℃
20
25
100
180
70
60
Bending strength
≥MPa
110℃
10
15
10
8
7
6
1000℃
10
15
15
12
10
8
Abrasiveness≤cc
6
8
10
12
Thermal conductivity ≤W/m.k
1.8
1.6
1.6
1.5
Refractoriness ≥℃
1790
1790
1790
1750
1730
1700

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