Today is£º
Seal Refractory Material for Electrical Station Boilers£¨Counter 1   Addtime£º2006-7-5 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 ¡Ý%
45-50
70
80
75
65
55
SiO2¡Ü%
45-50
15
25
30
40
Fe2O3¡Ü%
1.0
1.5
1.8
2.0
Linear change after heating 1200¡æ*3h%
0~+1.0
0~+1.0
-0.53
-0.3
-0.5
-0.5
Bulk density¡Ýg/cm3
2.0
2.3
2.6
2.5
2.5
2.4
Crushing strength ¡ÝMPa
110¡æ
20
25
70
60
50
50
1000¡æ
20
25
100
180
70
60
Bending strength
¡ÝMPa
110¡æ
10
15
10
8
7
6
1000¡æ
10
15
15
12
10
8
Abrasiveness¡Ücc
6
8
10
12
Thermal conductivity ¡ÜW/m.k
1.8
1.6
1.6
1.5
Refractoriness ¡Ý¡æ
1790
1790
1790
1750
1730
1700
 
 

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