Potassium fluoride,anhydrous
           Potassium fluoride,extra pure
           Potassium fluoride,Granular
           Silicon Dioxide
           Hydrofluoric acid
           Synthetic Cryolite
           Potassium Fluoaluminate
           Ammonium bifluoride
           Potassium Bifluoride
           Aluminium fluoride
           Sodium fluoride
           Potassium Fluorosilicate
           Fluorosilicic Acid
           Sodium silicofluoride
           Potassium Hydroxide Flakes
           Magnesium Fluoride
           Magnesium fluorosilicate
           Barium Fluoride
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It is konwn that hydrofluoric acid have the property of causticity, the reasons as following: 1. Fluorine is the most reactive nonmetal ,, its small atomic radius, and it was often have special properties, 2. hydrofluoric acid fluoride ion radius is very small, even less than the oxygen ions, which causes it to have a strong permeability, dense oxide can not prevent its penetration (this is most important). When hydrofluoric acid corrosion of the skin, the skin began to corrode, and fluorine ions to penetrate muscle tissue under the skin, then the muscles beneath the skin corrosion, if not promptly treated, it will penetrate into the inside bones, bone corrosion. Hardly be hydrofluoric acid corrosion of the skin heal, accompanied by intense pain. Other acids, alkalis no such permeability. Meanwhile hydrofluoric acid and hydrochloric acid as a strong volatility, will produce acid mist, which also enhances its corrosive. Inhalation of hydrofluoric acid mist. Strongly stimulate the corrosion of respiratory tract, inhalation may cause respiratory tract edema, ulceration, pulmonary edema, respiratory failure and death.Therefore, experiments with hydrofluoric acid you should bring rubber gloves, put on gas masks, conditional also wear protective clothing, in order to avoid skin contact or inhalation of its mist.

Some worker work with hydrofluoric acid, they may concern that how to do with it when contact with the skin, what will do when do a long-term operation? Hydrofluoric (HF) acid, one of the strongest inorganic acids, is used mainly for industrial purposes (eg, glass etching, metal cleaning, electronics manufacturing). Hydrofluoric acid also may be found in home rust removers. Exposure usually is unintentional and often is due to inadequate use of protective measures.

Hydrofluoric acid burns are a unique clinical entity. Dilute solutions deeply penetrate before dissociating, thus causing delayed injury and symptoms. Burns to the fingers and nail beds may leave the overlying nails intact, and pain may be severe with little surface abnormality.Severe burns occur after exposure of concentrated (ie, 50% or stronger solution) hydrofluoric acid to 1% or more body surface area (BSA), exposure to hydrofluoric acid of any concentration to 5% or more BSA, or inhalation of hydrofluoric acid fumes from a 60% or stronger solution. The vast majority of cases involve only small areas of exposure, usually on the digits.