Restek™ Ferrules for Capillary Columns: 100% Graphite

Made of high-purity materials that will not contribute background impurities for sensitive and selective detectors

Manufacturer: Restek™ 20227

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Catalog No. 06-717-635

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    Column Type Capillary
    Material Graphite
    Diameter (English) Inner 0.015 in.
    Diameter (Metric) Inner 0.04cm
    Product Type Ferrule
    Finish Smooth
    For Use With (Equipment) 0.062 in. Compression type fitting, fits Column 0.1, 0.15, 0.18, 0.25, 0.28mm
    Temperature (English) Maximum 842°F
    Temperature (Metric) Max 450°C
    Packaging Quantity 50/Pk.


    • Designed to seat securely in a variety of chromatography tube and pipe fittings
    • For 1/16 in. compression-type fittings
    100% Graphite Ferrules
    • High-density and contain no binders that can off-gas or absorb analytes
    • With a smoother surface and cleaner edges than conventional graphite ferrules
    • Ferrules are very soft and can be easily deformed for an effective seal with fused silica or glass columns
    • Stable to 450°C (842°F)

  • Description & Specifications

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