Amongst anti-corrosion substances, polytetrafluoroethylene has incomparable extraordinary performance. In addition to molten metallic, elemental fluorine and aromatic hydrocarbons, it's miles utilized in diverse concentrations of hydrochloric acid, sulfuric acid, nitric acid, aqua regia, natural acids, robust oxidants, and focused , exchange dilute acid, change alkali, and numerous natural marketers are all reacting spontaneously. The inner wall of the valve is covered with polytetrafluoroethylene, which not only overcomes the shortcomings of low energy of polytetrafluoroethylene material, however also solves the corrosion resistance of the valve topic fabric.
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