Hydrofluoric acid (HF) is crucial in stainless steel processing, used for pickling, weld cleaning, passivation, and oxide scale removal. FSSF Chemical will show you more in details.

This article discusses preventing yellowing in quartz sand after hydrofluoric acid washing. Key strategies include starting with high-purity quartz, optimizing acid concentration, controlling exposure time and temperature, and ensuring thorough post-treatment rinsing. These measures maintain crystal clarity for various industrial applications.