Why is sealing hydrogen fluoride a challenge?
Because of its harsh nature, hydrogen fluoride is a difficult chemical to seal. If leaked, in any volume, manufacturers must immediately alert an emergency response team. Gaskets for hydrogen fluoride system must be constructed from materials capable of providing a reliable, leak-free seal and withstanding the chemical’s highly corrosive nature. The Hydrogen Fluoride Industry Practices Institute (HFIPI) offers a Material of Construction Guideline for both Anhydrous and Aqueous Hydrogen Fluoride, which includes gasket materials.