| |
Grade
1 |
Grade
2 |
Grade
2 |
Grade
3 |
Al2O3 |
46%
min |
46%
min |
45%
min |
42-45%
|
Fe2O3 |
1.0%
max |
1.2%
max |
1.3%
max |
1.5%
max |
B.D |
2.60
g/cc min |
2.55
g/cc min |
2.50
g/cc min |
2.45
g/cc min |
K2O+Na2O |
0.4%
max |
0.4%
max |
0.4%
max |
0.6%
max |
Ti2O |
1.0%
max |
1.0%
max |
1.2%
max |
1.5%
max |
LOI. |
0.3%
max |
0.3%
max |
0.3%
max |
0.5%
max |
Refractoriness |
1700¡æ |
1770¡æ |
1750¡æ |
1700¡æ |
| Chemical
Properties (% wt) |
|
Typical |
Guarantee
|
Min |
Max |
Al2O3 |
45.52 |
45.00 |
- |
SiO2 |
50.82 |
- |
52.00 |
Fe2O3 |
1.25 |
- |
1.50 |
TiO2 |
1.09 |
- |
1.20 |
K2O+Na2O |
0.20 |
- |
0.25 |
CaO+MgO
|
0.35
|
-
|
0.45
|
| Physical
Properties(% wt) |
Moisture |
0.40
for lump |
- |
1.00 |
0.15
for mm/mesh |
0.30 |
Bulk
density g/cm3 |
2.52 |
2.50 |
- |
Lump
sizes |
0-25
mm (1") |
90%
min |
- |
|
MM
Sizes |
miuus
1 mm,1-3 mm,3-5 mm |
Mesh
Sizes |
3¡Á6
mesh,6¡Á14 mesh,14¡Á0 mesh,minus 100 mesh,minus 200 mesh,minus
325 mesh(other mm or mesh sizes available upon request) |
| Packing |
Lump sizes in
bulk,mm and mesh sizes in 1,000 kilos supersacks Special quantity
packing and labeling available |
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