Fluorspar chemical composition 

Grade

Calcium fluoride mass fraction,%,  not less

Impurity mass fraction, %, not more

Silicon dioxide

Sulphur

Phosphorus

FK-95А
FK-95B
FK-92
FG-92
FK-85
FG-85
FK-75
FG-75
FGM-75
FK-65
FG-65
FG-55

95,0
95,0
92,0
92,0
85,0
85,0
75,0
75,0
75,0
65,0
65,0
55,0

2,0
2,5
5,0
5,0
10,0
10,0
20,0
20,0
20,0
30,0
-
-

0,15
0,15
0,20
0,20
0,30
0,30
0,30
0,30
0,30
0,30
0,30
0,30

0,1
0,1
0,2
0,2
0,3
0,3
0,3
0,3
0,3
0,3
0,3
0,3

Moisture content fraction of lump concentrates should not exceed 7%, gravity once –no more than 15%.

 

Grade

Calcium fluoride mass fraction,%,  not less

Impurity mass fraction, %, not more

Silicon dioxide

Calcium carbonate

Sulphur

FF-97А
FF-97Б
FF-95А
FF-95Б
FF-92А
FF-92Б
FF-90

97,0
97,0
95,0
95,0
92,0
92,0
90,0

0,8
1,0
2,0
3,0
2,5
3,0
3,5

1,0
1,0
1,5
2,0
2,5
3,0
4,5

0,1
0,1
0,2
0,2
0,2
0,2
0,2

Moisture content fraction in the flotation concentrate should not exceed 1%.

 

Grade

Calcium fluoride mass fraction,%,  not less

Impurity mass fraction, %, not more

Silicon dioxide

Calcium carbonate

Sulphur

Phosporus

FFS-97А
FFS-97Б
FKS95А
FKS-95Б
FFS-95
FKS-92
FGS-92
FFS-92
FKS-85
FGS-85
FKS-75
FGS-75

97
97
95
95
95
92
92
92
85
85
75
75

2,0
2,0
2,5
2,5
3,0
5,0
5,0
3,0
-
-
-
-

1,0
1,0
2,0
2,0
2,0
2,0
2,0
3,0
5,0
5,0
-
-

0,05
0,05
0,07
0,07
0,10
0,10
0,10
0,15
0,20
0,20
0,30
0,30

0,015
0,03
0,015
0,02
0,03
0,04
0,04
0,06
0,15
0,15
0,20
0,20

In the flotation of fluorite concentrate all grades moisture content should not exceed 1%.