Mullite Insulating Brick
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China [CN] |
Item
|
Index
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|||
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SJM-23
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SJM-26
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SJM-28
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SJM-30
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|
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AL2O3,%,
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≥40
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≥55
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≥65
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≥70
|
|
Fe2O3,%,
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≤1.0
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≤1.0
|
≤1.0
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≤1.0
|
|
Classification temp,℃,
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≥1260
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≥1430
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≥1540
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≥1650
|
|
Bulk denstiy, g/cm3
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≤0.55-0.60
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≤0.78
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≤0.88
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≤1.02
|
|
C.C.S.,Mpa
|
1.2
|
1.6
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2.1
|
2.5
|
|
Bending resistant strength, Mpa
|
0.9
|
1.4
|
1.8
|
2.0
|
|
Linear change on reheating 24H, %
|
0.5
|
0.5
|
0.5
|
0.5
|
|
Thermal conducivity, W/m*k, 800℃
|
0.18
|
0.31
|
0.36
|
0.41
|
|
Thermal conducivity, W/m*k, 1200℃
|
|
0.35
|
0.41
|
0.46
|
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