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High Alumina Brick（Counter 1   Addtime：2006-7-5 18:26:02）

Universal refractory for list of products high alumina brick index

Brand name
Item
LZ-75
LZ-65
LZ-55
LZ-48
Al2O3≥%
75
65
55
48
Refractoriness > ℃
1790
1790
1770
1750
Refractoriness under load 0.2MPa≥℃
1520
1500
1470
1420
Linear change after heating
1500℃*3h
0.1-0.4
0.1-0.4
0.1-0.4
1450℃*3h
0.1-0.4
Apparent porosity≤%
23
23
22
22
Cold crushing strength≥MPa
54
50
45
40
 
 

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