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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™ 20221
This item is not returnable.
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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)
- 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
| 1/4 in. | |
| 450°C | |
| 1/4 in. Fitting |
| 1/4 in. | |
| 40% Graphite, 60% Vespel |
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