Ordinary flux limestone
Brands:
T1, T2 - for the production of technological lime in the cement and other industries;
IS- for the sugar industry
Chemical composition according to TU U 14.1-00191856-005-2003:
|
№ |
Parameter |
T-1 |
T-2 |
ИС |
|
1 |
Mass fraction of insoluble residue in hydrochloric acid (HO), not more than |
3,0 |
10,0 |
3,0 |
|
2 |
Mass fraction of calcium carbonate (CaCO3), no less than |
92,0 |
84,0 |
93,0 |
|
3 |
Mass fraction of magnesium carbonate (MgCO3), no more than |
5,0 |
6,0 |
2,5 |
|
4 |
Mass fraction of aluminum and iron oxides (Al2O3 + Fe2O3), not less than |
- |
- |
1,5 |
|
5 |
Mass fraction of calcium sulphate (CaSO4), not more than |
- |
- |
0,4 |
|
6 |
The mass fraction of potassium and sodium oxides (K2O3 + Na2O) |
- |
- |
0,25 |
Grading:
- brand IS - 40-80mm, 80-130mm;
- Brand T - 0-20mm, 40-80mm, 80-130mm;
Grain composition:
|
Size of a piece, mm |
Allowable values for the content of pieces of coarse size, in% by mass, not more than |
|
|
below lower limit |
above upper limit |
|
|
0-20 |
- |
20 |
|
5-20 |
15 |
20 |
|
40-80 |
10 |
20 |
|
80-130 |
10 |
20 |
The limit of mechanical strength of limestones during compression is not less than 60 MPa.