Specification
|
Low chromium
|
Medium chromium
|
High chromium
|
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Al2O3
(%)
|
Cr2O3
(%)
|
Na2O
(%)
|
Al2O3
(%)
|
Cr2O3
(%)
|
Na2O
(%)
|
Al2O3
(%)
|
Cr2O3
(%)
|
Na2O
(%)
|
|
F12-F80
|
≥98.50
|
0.20-0.45
|
≤0.50
|
≥98.20
|
0.45-1.00
|
≤0.55
|
≥97.40
|
1.00-2.00
|
≤0.55
|
F90-F150
|
≥98.50
|
0.20-0.45
|
≤0.50
|
≥98.20
|
0.45-1.00
|
≤0.60
|
≥97.00
|
1.00-2.00
|
≤0.60
|
F180-F2000
|
≥98.50
|
0.20-0.45
|
≤0.50
|
≥97.80
|
0.45-1.00
|
≤0.70
|
≥96.50
|
1.00-2.00
|
≤0.70
|
Basic minerals
|
Crystal size μm
|
True density g/cm3
|
Bulk density g/ cm3
|
Knoop hardness kg/mm2
|
α-Al2O3
|
600-2000
|
≥3.90
|
1.40-1.91
|
2200-2300
|