Al2o3 : 60-75%
Bayerite: 5.0% max
Pore volume:
1.0% min
0.8% min
0.8% max
Specific surface: 250 ¬o/g min
Fe2o3: 0.07% max
Na2o: 0.1% max
So42-:2.0% max
20 kg/bag
Specific surface: 600m2/g min
Cell constant: 24.65a max
Na2o: 4.0% max
Relative crystallinity: 65% min
25 kg/bag
Crystallinity: 50% min
Na2o: 2.0% max
Re2o3:10.0- 16.0% min
25 kg/bag
Crystallinity: 90% min
Si-al (sio2/al203 ): 5.0 min
25 kg/bag
(1)chemical composition:
Reduction:13% max
Fe:o.4% max
Al2o3:45% min
Na:0.3% max
So4+:1.5% max
(2)phisical character:
Pore volume:0.35ml/g min
Specific surface:250m2/g min
Abrasion index:2.5% max
Fineness:
0--40um:20v% max
0---149um:92v% min
(3)micro-activity:
800 degrees/4hr, 100%vapor:70
25 kg/bag
