Fluorosilicic acid (H2SiF6) is an important inorganic compound with strong acidic and corrosive properties, which has a wide range of applications in many fields such as industry, agriculture and electronics. The following is a classification summary of its main uses:
I. Chemical and Material Fields
1.1 Fluorosilicate and Silicon Tetrafluoride Preparation
Fluorosilicic acid is the core raw material for the production of salts such as sodium fluorosilicate, potassium fluorosilicate, and ammonium fluorosilicate. These salts have a wide range of uses:
Sodium fluosilicate: used as emulsifier in glass industry, ceramic glaze and wood preservative.
Potassium fluosilicate: as flux for aluminium electrolysis or welding flux.
Silicon tetrafluoride (SiF
4
): a key intermediate in the synthesis of organosilicon compounds (e.g. silicone rubber, silicone oil).
1.2 High-performance materials
Anti-corrosion coatings:
Building materials:
II, metal processing and electroplating
Plating additives
Used in electrolytic refining of lead, tin and other metals to improve purity.
Metal surface treatment
Aluminium polishing:
Pickling of steel:
III. Disinfection and Antisepsis
Brewing and Drinking Water
Wood preservation
IV. Semiconductor and Electronics Industry
Wafer Cleaning and Surface Treatment:
.Circuit board etching:
V. Water treatment and environmental protection
Industrial water treatment:
VI. Emerging applications
New energy materials:.
Alkali-free quick-setting agent: