Solvents and Chemicals that should be Avoided when using PEEK Tubing and Fittings include:

    • Nitric acid
    • Sulfuric acid
    • Halogenated Acids, including hydrofluoric, hydrobromic, and hydroiodic acids*
    • Pure Halogenated gases
    • Methylene chloride
    • THF  (Tetrahydrofuran)
    • DMSO  (Dimethyl Sulfoxide)

*Note that you can use Hydrochloric Acid, all other HPLC grade solvents and HPLC buffers with most applications of PEEK Tubing and Fittings.

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