159 HYDROFLUORIC ACID (HF) 49% Tank Chemical Compatibility
Heavy Duty Poly Storage Tanks - Bailiff Enterprises
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HYDROFLUORIC ACID (HF) 49%  Tank
Chemical Compatibility of common Resins, Fittings, Gaskets and Metals

 
... HYDROFLUORIC ACID (HF) 49%
... 49% HYDROFLUORIC ACID is a clear, colorless, corrosive fuming liquid with a sharp, pungent odor. It is 100% soluble in water and is not flammable. The 49% solution is highly hazardous and needs to be handled and used with rigorous safety precautions. Both liquid and vapor can cause severe burns to all parts of the body. Specialized medical treatment is required for any exposure to this or any grade of HF. The specific gravity at 60F. is 1.175. Hydrofluoric acid fumes at low temperatures. best practices would be to have a bolted, sealed manway and to vent into a scrubber.
  RESINS: Here is how HYDROFLUORIC ACID (HF) 49% works with plastics used to make our HYDROFLUORIC ACID (HF) 49% storage tanks.
...... HDPE ($): EXCELLENT
...... POLYPROPYLENE ($$): EXCELLENT
...... NYLON ($$$): SEVERE EFFECT
...... PVDF ($$$$): EXCELLENT
  FITTINGS: Here is how HYDROFLUORIC ACID (HF) 49% works with the plastics used for fittings for double wall storage tanks.  
...... HDPE: EXCELLENT
...... PVC: GOOD  
...... CPVC: FAIR
...... POLYPROPYLENE: EXCELLENT
...... PVDF: EXCELLENT
  GASKETS: Here is how HYDROFLUORIC ACID (HF) 49% works with the gasket and O-ring material.
...... BUNA-N: SEVERE EFFECT
...... EPDM: SEVERE EFFECT
...... VITON(r): GOOD
... METAL: Here is how HYDROFLUORIC ACID (HF) 49% works with the metals used for fittings and bolts.
...... STAINLESS STEEL: 316: SEVERE EFFECT
...... HASTELLOY: GOOD
...... ALUMINUM: SEVERE EFFECT
     
  WARNING and LEGAL DISCLAIMER:  
  This chemical compatibility information has been supplied by reputable sources to assist you.  It should ONLY be taken as a guide and not as gospel.  It is the ultimate responsibility of the user to verify the appropriateness of the materials with your particular application.  Bear in mind that other factors including temperature, pressure, concentration and others can also have an effect on how equipment will work with your storage situation.
  While Bailiff Enterprises works to supply the best information, we do not warrant (neither express or implied) that this chemical compatibility is complete or accurate.
   
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