Pure fused corundum, synthetic mullite, chromium oxide etc as raw material, molding, high temperature sintering. Products with compact structure, high temperature (≥2200℃), good thermal shock resistance, acid and alkaline gases erosion, from H2, CO and other reducing gas impact. High purity products are widely used in the petrochemical industry, oil or gas, such as gasification, high temperature furnace gas furnace carbon black reactor ethylene, ammonia decomposition furnace,
Pure fused corundum, synthetic mullite, chromium oxide etc as raw material, molding, high temperature sintering. Products with compact structure, high temperature (≥2200℃), good thermal shock resistance, acid and alkaline gases erosion, from H2, CO and other reducing gas impact. High purity products are widely used in the petrochemical industry, oil or gas, such as gasification, high temperature furnace gas furnace carbon black reactor ethylene, ammonia decomposition furnace, chemical industry, refractory and ceramic industries; chromium corundum products used in CWS petrochemical industry and petroleum coke gasifier backing, high temperature furnace lining oil or gasifier working lining, carbon black reactor lined chemical industry, refractory and other industries; mullite corundum products are widely used in the carbon black reactor, refractories, ceramic, high temperature furnace lining the electronics industry.
Project/ Index/ Name
|
DL-98
|
DL-95
|
DL-90
|
MDL-80
|
MDL-80
|
Al2O3%≥
|
98.5
|
95
|
90
|
80
|
85
|
Cr2O3%≥
|
/
|
/
|
/
|
/
|
8
|
Fe2O3%≤
|
0.2
|
0.2
|
0.5
|
0.5
|
0.2
|
SiO2%≤
|
0.3
|
3.0
|
9.0
|
18
|
0.2
|
R2O%≤
|
0.3
|
0.6
|
0.6
|
0.4
|
0.5
|
Bulk Density (g/cm³)≤
|
3.0
|
2.9
|
2.9
|
2.7
|
3.1
|
Cold Crushing Strength Mpa ≥
|
75
|
100
|
100
|
60
|
80
|
Refractories℃ ≥
|
1790
|
1790
|
1790
|
1790
|
1790
|
RUL℃ 0.2Mpa ≥
|
1700
|
1650
|
1650
|
1700
|
1700
|
Permanent Linear Change %
|
0.2
|
0.2
|
0.2
|
0.3
|
0.2
|
Water cooling thermal stability times 1100℃≥
|
6
|
10
|
10
|
20
|
15
|