High Alumina Bricks for Gereral Uses

Properties:
 
 
High Alumina Bricks for general uses are made from bauxite of super quality, bonding chamotte and additives. The advantages of these products are high refractoriness, anti alkaline/acid erosions, good strength under high temperature and good thermal shock resistance.They were widely accepted in thermal equipment of metallurgy,petroleum,  chemical industry, construction materials, machinery and militaries  etc.
 
 
 
 
 
 
 
 
Specification: 
 
                     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¡æ X 2h
                    0.1-0.4     1500¡æ X 2h
0-0.2
A.P.                     max
23
23
22
22
CCS                     max
53.9
49.0
 44.1
39.2