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.

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Closures for crimp neck vials 11 mm

Supplier: VARIAN

Chromatography vial closure, Aluminium, Ø: 11 mm, Aluminium caps, 11 mm, For: 1 ml vials

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Screw Caps with Seal

Supplier: NEUBERT VOLUME GLASSWAERE

Chromatography vial closure, PP, Screw cap for GL threads made of polypropylene, GL 14

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Closures for storage vials

Supplier: SAVILLEX

Chromatography vial closure, PFA, Ø: 33 mm, Type: PFA, plain threaded, For: Micro columns, tubes and vials

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Screw caps for bottles, Upchurch Scientific®

Supplier: UPCHURCH SCIENTIFIC

Bottle caps and plugs, manufactured from Tefzel® ETFE and polypropylene, are easy to use, but still allow many connection options.

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Closures for bottles, with seal ring, PP

Supplier: SEMADENI

PP closure, with PE sealing ring

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Screw cap with integrated seal, PP

Supplier: SEMADENI

Screw caps, PP, with integrated seal, Cap Size: 28 mm, Colour: Red

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Caps

Supplier: MURRAY S

Chromatography vial closure, Push-in plug, polythene

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Screw caps for screw neck vials

Supplier: DELTALAB

These screw caps are made of autoclavable PP.

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Screw caps for transport container

Supplier: BOETTGER PAUL

Screw caps, HDPE, HDPE, Colour: Natural

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Screw caps for laboratory bottles

Supplier: Lenz Laborglas

PBT, red, with PTFE coated seals.

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Safety caps, GL 45 threads

Supplier: VICI JOUR RESEARCH

GL 45 safety caps seal to the bottle with an O-ring (EPDM) which is resistant to commonly used HPLC solvents. If improved chemical resistance is required (e.g. for halogenated hydrocarbons), order an FEP-coated O-ring separately.

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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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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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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.