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18mm Magnetic Precision Screw Metal Cap with Septa for Headsapce Vials

18mm screw neck metal screw cap is made of magnetic metal, this cap is mainly used for seal 18mm screw GC headspace vial. PTFE septa can meet multiple punctures.
Steel Magnetic caps tolerate high temperatures and are suitable for use with the CTC/LEAP/Gerstel autosamplers.

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Description:

18mm Magnetic Precision Screw Metal Cap with Septa uses only the highest quality materials to ensure proper function, and is especially suitable for gas chromatograph applications, ensuring that the septa will not fall into the sample vial during sample injection. The septa are made of PTFE/silicone fusion, they are made of TFE/silicone fusion, and have excellent inertness and can be used for multiple injections. The thickness of the septum is 1.5mm.

18mm Magnetic Precision Screw Metal Cap with Septa combines the septa and cap at the molecular level, avoiding excessive evaporation and maintaining a good seal on the vial.

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

Specifications:

1. Blue PTFE/White Silicone Septa, 18mm Magnetic Precision Screw Metal Cap, 8mm Centre Hole.

2. Regarding speta, the PTFE side is anti-corrosion, and the Silicone side is soft for needles to pierce.

3.Screw metal cap is high temperature resistant, magnetic adsorption, suitable for multi-functional automatic processing platform, surface plating, corrosion resistance and rust.
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