FAQ

What types of guard columns do you offer, and how are they deactivated?

31 Jul 2025

Restek offers fused silica guard columns and transfer lines ranging from 0.025mm ID to 0.53mm ID, from 1 to 10 meters long. Fused silica guard columns are available with intermediate polarity or polar deactivation, and with several specialty deactivations, including base deactivation, Hydroguard deactivation, and Siltek treatment. Passivated stainless steel (MXT) guard columns are also available in 0.28mm ID or 0.53mm ID, with intermediate polarity or Hydroguard deactivation for our MXT columns.

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  • Restek Corporation

    Restek is a leading provider of chromatography columns, accessories, and certified reference materials. Trust Restek for reliable, high-quality analytical solutions.

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