We offer hydrofluoric acid is source of fluorine, being the precursor to numerous pharmaceuticals, polymers, and most other synthetic materials that contain fluorine. Hydrofluoric acid has its ability to dissolve glass by reacting with Silica, It produced by treatment of the Fluorspar with concentrated sulfuric acid. When combined at 250°C, react to produce HF. Available in 40% and 60% HF.We tested on various parameters before marketing