Fluxing dolomite

Brand:

     DF - for use in ferrous metallurgy as a flux.

  Chemical composition according to TU U 14.1-00191856-008: 2007:

№	Parameter	Norm for the brand,%
		ДФ-1	ДФ-2	ДФ-3	ДФ-4	ДФ-5
1	Mass fraction of magnesium oxide (MgO), not less than	16	14	16	14	16
2	Mass fraction of calcium and magnesium oxides (CaO + MgO) in total, not less than	50	48	50	48	50
3	Mass fraction of silicon oxide (SiO2), no more than	1,5	2,5	1,5	2,5	1,5
4	Mass fraction of iron oxide and aluminum (Fe2O3 + Al2O3) in total, no more than	1,1	1,5	1,1	1,5	1,1
5	Mass fraction of sulfur (S), no more than	0,06	0,15	0,06	0,15	0,06
6	Mass fraction of phosphorus (P), no more than	0,02	0,02	0,02	0,02	Не нормируется

Granulometric composition: 0-5, 20-40mm, 20-50mm, 40-80mm.

 
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
0-5	-	20
5-20	10	20
20-50	10	20

The limit of mechanical strength of dolomites under compression is not less than 60 MPa.