Inorganic fluorine chemical
Industrial Hydrofluoric Acid
[Molecular Formula] HF
[Molecular Weight] 20.01
[Properties]
Clear colorless fuming liquid,very easy to volatilize, to produce fluoride when reacting with metal salt, oxide and hydroxide, strong corrosion.
[Uses]
It is used as raw material to produce organic and inorganic fluoride, used in etching of glass, finishing and polishing; also used in cleaning of metal surface.
[Quality Index] Standard: GB7747-87
|
Item
|
Excellent Grade
|
First Grade
|
Second Grade
|
|
F-40
|
F-40
|
F-55
|
F-60
|
F-40
|
F-55
|
F-60
|
|
HF, % ≥
|
40
|
40
|
55
|
60
|
40
|
55
|
60
|
|
Fluorosilicic Acid(H2SiF6),%≤
|
0.02
|
0.2
|
0.4
|
0.5
|
0.6
|
1.0
|
1.0
|
|
Sulfate(SO4), %≤
|
0.02
|
0.05
|
0.08
|
0.4
|
0.6
|
0.8
|
1.0
|
|
Iron(Fe),% ≤
|
0.005
|
0.1
|
-
|
-
|
-
|
-
|
-
|
[Package] plastic barrel, net weight: 7kg,10kg or 25kg/barrel; iron-plastic barrel, net weight: 50kg or 200kg/barrel.
first grade: F-40:4500yuan/ton; F-55:5500yuan/ton; F-60:6200yuan/ton
second grade: F-40:3800yuan/ton; F-55:4200yuan/ton; F-60:4600yuan/ton
|
