Ferro Silicon
Spec
|
Code |
Chemical Composition% |
Size |
|
75 |
Si min |
Al max |
P max |
S max |
C max |
10-150mm
10-100mm
10-50mm |
|
75.0 |
1.0 |
0.04 |
0.02 |
0.2 |
|
75.0 |
1.5 |
0.04 |
0.02 |
0.2 |
|
75.0 |
2.0 |
0.04 |
0.02 |
0.2 |
|
72 |
72.0 |
2.0 |
0.04 |
0.02 |
0.2 |
|
72.0 |
2.5 |
0.04 |
0.02 |
0.2 |
Packing : Packed in plastic woven bags of 1000kg, other packing are available, keep away from moisture.
Metal silicon
Chemical analysis and size:
|
Spec |
Si(%min) |
Fe(%max) |
Al(%max) |
Ca(%max) |
|
2202 |
99 |
0.2 |
0.2 |
0.02 |
|
3303 |
99 |
0.3 |
0.3 |
0.03 |
|
3305 |
99 |
0.3 |
0.3 |
0.05 |
|
331 |
99 |
0.3 |
0.3 |
0.1 |
|
441 |
99 |
0.4 |
0.4 |
0.1 |
|
553 |
98.5 |
.05 |
0.5 |
0.3 |
Size : 10-100mm(90%min)or per request.
MgO
Spec :
|
Examination item |
Rubber grade |
Industry class one |
|
Magnesium oxide％≥ |
95 |
93 |
|
Igniting％≤ |
3.5 |
5.5 |
|
Calcium oxide％≤ |
1.0 |
1.5 |
|
Substance not dissolve in acid％＜ |
0.1 |
0.15 |
|
Chloride％≤ |
0.035 |
0.07 |
|
Sulphate％≤ |
0.2 |
0.3 |
|
Molysite％≤ |
0.05 |
0.06 |
|
Manganese％≤ |
0.003 |
0.003 |
|
Remainder after sift％≤ |
0.03/80hole/cm |
No/40hole/cm |
|
Pile up density％≤ |
0.45 |
0.45 |
BaSO4
Spec :
|
|
A
grade |
B
grade |
C
grade |
|
BaSO4 |
96.35%min |
96.2%min |
93%min |
|
SiO2 |
1.58%max |
2%max |
2.5%max |
|
TFe2O3 |
0.04%max |
0.04%max |
0.04%max |
|
SrSO4 |
0.4%max |
0.4%max |
0.4%max |
|
water |
0.2%max |
0.2%max |
0.2%max |
|
Sepcitic gravity |
4.3 |
4.2 |
4.0 |
|
Whiteness |
94%min |
92%min |
85%min |
Size : 325-2500 mesh (95-99%min)
Packing : Packed in plastic woven bags of 1000kg, other packing are available, keep away from moisture. |
