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18mm Screw Caps with Septa for Headsapce Vials for Sale

Screw Cap Vials are universal. Screwing the cap applies a mechanical force that squeezes the septum between the glass rim and the lid. Screw caps form an excellent seal and mechanically hold the se...
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Screw Cap Vials are universal. Screwing the cap applies a mechanical force that squeezes the septum between the glass rim and the lid. Screw caps form an excellent seal and mechanically hold the septum in place during piercing. No tools are required for assembly. 

Metal caps offer the broadest range of temperature tolerances and are resistant to fracture from impact. Metal caps are great for gas chromatography applications. A metal closure is manufactured from either steel (coated with an anti-corrosive coating of either chrome plate or tinplate) or aluminum.

*Details:

Suitable for: 18mm Screw Headspace Vials
Caps Material: Magnetic Metal
Septa Material: PTFE / Silicone
Septa Size: 17.5*1.5mm
Cap Features: 8mm Centre Hole
Color: Metal Silver

18mm-screw-caps-size

 

 

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