Fluorosilicic acid is used as an opacifier in enamel due to its ability to form fluoride-based crystals, enhancing opacity and whiteness. It is cost-effective, efficient, and versatile, making it suitable for various applications like household appliances and industrial equipment.

Fluorosilicic acid, widely used in industries, inhibits corrosion effectively. It reacts with metals, concrete, glass, and wood surfaces, forming protective layers. This extends the lifespan of components and structures, ensuring durability and sustainability.

Hexafluorosilicic acid (H2SiF6) is essential in aromatic compound synthesis, enabling reactions like acylation, dehydration, and isomerization. Its role in modifying aromatic rings is vital for fragrance, dye, and pharmaceutical industries, but safety precautions are crucial due to its corrosive nature.