Ammonium Bifluoride 771 is applicable for the manufacturing of wood preservatives. Also, it is applicable for aluminium anodization, glass processing, and building protection, metal surface treatment, cleaning of engineering plants, mineral oil / natural gas drilling, and other applications. Ammonium hydrogen fluoride is the inorganic compound that has been produced from ammonia and hydrogen fluoride. It is a glass-etchant colorless salt as well as an intermediate. It is an effective intermediate suited for the production of hydrofluoric acid.