Parchem – fine & specialty chemicals is the premier supplier of Hydrofluoric Acid 49% and 70%. Hydrofluoric acid from Parchem is used for industrial manufacturing operations including metal treatment, oil refining, and as a chemical feedstock in the production of organofluoride compounds. Parchem offers both non-fuming (49%) and fuming (70%) hydrofluoric acid from our strategically located warehouses across the US.