Restek™ Standard Ferrules

Made of high-purity materials that will not contribute background impurities for sensitive and selective detectors; designed to seat securely in a variety of chromatography tube and pipe fittings

Brand:  Restek™ 20218

Product Code. 13031640

Description

For 1/16, 1/8, and 1/4 in. 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)

Vespel™/Graphite ferrules

• 60%/40% blend, offering the best combination of sealing performance and ease of workability
• Seal with minimal torque and are preferred for vacuum and high-pressure uses such as GC/MS or other oxygen-sensitive detectors
• Hard material does not deform easily and may require retightening after several temperature cycles
• Reusable
• Stable to 400°C (752°F)

Specifications

• Diameter (English) Inside: 1/16 in.
• Material: 40% Graphite, 60% Vespel
• Includes: 1/16 in. Fitting

• Size (English) Fitting: 1/16 in.
• Temperature (Metric) Max: 450°C