High Alumina brick
High alumina has high refractoriness, good acid and alkali erosion resistance, high temperature strength, thermal shock stability is good wait for an advantage, widely used in metallurgy, petroleum, chemical industry, building materials, thermal technology equipment mechanical processing, military industry and other industries.
Item
|
LZ-75
|
LZ-65
|
LZ-55
|
LZ-48
|
Al2O3, % min
|
75
|
65
|
55
|
48
|
Refractoriness min
|
1790
|
1790
|
1770
|
1750
|
RUL min
|
1520
|
1500
|
1470
|
1420
|
P.L.C. 1500℃ X 2h
|
0.1-0.4 1500℃ X 2h
|
0-0.2
|
A.P. max
|
23
|
23
|
22
|
22
|
CCS max
|
53.9
|
49.0
|
44.1
|
39.2
|
|