Low-iron dolomite

Brand:

     DM - is used in the glass industry.

  Chemical composition according to TU U 14.1-00191856-010: 2007:

№	Parameter	Standard for the brand
		ДМ-1	ДМ-2
1	Mass fraction of magnesium oxide (MgO2), not less than	16	14
2	Mass fraction of silicon oxide (SiO2), no more than	1,5	2,5
3	Mass fraction of iron oxides, (Fe2O3), no less than	0,3	0,5

Granulometric composition: 5-25 mm.

 
Grain composition:

Size, mm	Allowable values for the content of pieces of coarse size, in% by mass, not more than
	below lower limit	above upper limit
5-25	10	20

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