Today is£º
Series of Corundum Product for Petrochemical Industry£¨Counter 1   Addtime£º2006-7-5 18:04:41£©
Brand name
Item
High pure low silica corundum
Pure corundum material
Chrome corundum material
Sintered corundum brick
XHA-1S
XHA-11S
XDCA-12S
XA-95
Al2O3 ¡Ý%
99.5
98.5
88
95
SiO2 ¡Ü%
0.1
0.5
Fe2O3¡Ü%
0.1
0.1
0.3
Cr2O3 %
10-12
Bulk density¡Ýg/cm3
3.15
3.0
3.15
3.2
Apparent porosity
16
Cold crushing strength¡ÝMPa
100
80
80-100
90
High-temperature bending strength 1400¡æ*0.5 ¡ÝMPa
9.8
Refractoriness under load 0.2Mpa£¨T0.6¡æ£©¡Ý
1750
1750
1700
1700
Refratoriness >¡æ
1900
1850
 
Themal shock resistances£¨1100¡æ-cycle£©
10
10
 
Linear change after heating 1600¡æ*3h%
0.1
0.1
0-0.2
  
 
 

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