Closures

Whether protecting the sample from outside contamination or the workplace from the bottled toxic waste, closures guarantee tight and reliable seals. With a vast cap selection for best compatibility with any container, tailoring to specific contents is possible. Temperature resistant models allow any procedure to be completed safely. Available in different finishes, any sensitive chromatography sample is protected. The caps are easy to close with one hand and come in many colors to assist with identification.

Crimp seals for crimp neck vials, Supelco®, Merck

Supplier: Merck

Chromatography vial closure, Ø: 11 mm, Type: Gold seal, magnetic, with 5 mm center hole, Hardness: 45° shore A, Septum: Red PTFE/silicone/red PTFE, Thickness: 1,0 mm

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Caps

Supplier: VICI JOUR RESEARCH

These caps top bottles are available with two, three, or four colour-coded 1/4-28 thread for ¹/₈ or ¹/₁₆" O.Ø tubing.

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Snap caps with 11 mm septa

Supplier: Agilent

PP, Ø: 11 mm, Type: Blue, Septum: Clear PTFE/red silicone

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Aluminium seals for headspace vials, WHEATON®

Supplier: DWK Life Sciences

These aluminum seals are crimp closures with bridges and scorelines allowing the internal pressure to be released when 0,3 ±0,5 bar has been exceeded.

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Closures for square bottles, with tamper-evident ring

Supplier: KJS KUNSTSTOFFVERPACKUNGEN

HDPE, black.

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Screw caps for laboratory bottles

Supplier: Lenz Laborglas

PBT, red, with PTFE coated seals.

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Safety cap

Supplier: VICI JOUR RESEARCH

This cap can be used for helium sparging and for delivering HPLC mobile phases. The tubing ports are made so that you push the tubing through the hole, while 1/4-28 fittings provide the best connection. Unused ports can be plugged as required.

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Spare caps

Supplier: MURRAY S

screw cap, Spare caps 22 mm R3, with foil faced wads, For: Scintillation vials, Colour: White, Colour: White

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Re-caps, for blood collection tubes

Supplier: DELTALAB

Ideal for re-capping blood collection tubes of vacuum type.

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Screw caps with 13 mm septa

Supplier: Agilent

CrossLab, Chromatography vial closure, Ø: 13 mm, Type: Black, open top, Septum: -

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Safety caps

Supplier: Agilent

These safety caps have been designed for optimal sealing with an integrated exhaust valve providing pressurisation during solvent extraction and allowing proper solvent flow to your HPLC system.

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Screw cap for 22 mm vials

Supplier: Agilent

Chromatography vial closure, Screw cap, black, without septa, For: 10 ml vials, Septum: -

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Screw caps with aperture

Supplier: Lenz Laborglas

PBT, red without seals.

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Spout PROFI with wide thread

Supplier: hünersdorff GmbH

Made of fracture-proof and food-safe polyethylene with sleeve connection for a hose.

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Screw caps for screw thread tubes

Supplier: Lenz Laborglas

PBT,red, with PTFE coated silicone sealing (VMQ).

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Safety caps, DIN 50 threads

Supplier: VICI JOUR RESEARCH

DIN50 safety caps seal to the bottle/canister with an O-ring behind a PTFE lip, so the O-ring is therefore not a wetted part. Unused ports can be closed with the stopcock.