Dursan Coated HPLC Columns Comparison to PEEK Column Performance – Tips & Suggestions

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September 25, 2020
Bill Ciccone

AppNotes Library / Dursan Surfaces Information / HPLC Column Information / HPLC Tips and Suggestions

Dursan is Excellent for any Compound that will Interact with Stainless Steel

PEEK is a highly inert material which has been used in HPLC applications for years. However PEEK has some limitations:

- Mechanical strength: PEEK begins to flex at 3000 to 5000 PSI, making it unsuitable for UHPLC and other applications where high pressure is required.
- Work-ability: Machining of PEEK doesn’t produce consistent IDs, which disrupts flows and can shift retention times.
- Environmental: PEEK has temperature limitations and solvent related swelling issues which limit solvent and temperature options for the user.

Dursan coated stainless steel offers a robust and inert alternative to PEEK. Click HERE for more information on Dursan Surfaces.

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