Hydrofluoric Acid/ HF For Etchant And Cleaning Agent
Specifications:
|
ELEMENTS |
SUPERIOR |
GRADE I |
GRADE II |
||||
|
HF-40 |
HF-40 |
HF-55 |
HF-60 |
HF-40 |
HF-55 |
HF-60 |
|
|
HF-%min |
40 |
40 |
55 |
60 |
40 |
55 |
60 |
|
H2SiF6-%max |
0.02 |
0.2 |
0.5 |
0.5 |
0.6 |
1.0 |
1.0 |
|
H2SO4-%max |
0.02 |
0.05 |
0.08 |
0.1 |
0.6 |
0.8 |
1.0 |
|
Fe-%max |
0.005 |
0.01 |
-- |
-- |
-- |
-- |
-- |
Description:
Hydrofluoric acid (HF) is a solution of hydrogen fluoride in water. It is a valued source of fluorine and is a precursor to numerous pharmaceuticals such as fluoxetine (Prozac) and diverse materials such as PTFE (Teflon).
Hydrofluoric acid is a highly corrosive acid, capable of dissolving many materials, especially oxides. Its abilit
