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 storage vials

Supplier: SAVILLEX

Chromatography vial closure, PFA, Ø: 23 mm, Type: PFA, plain hex threaded, For: Micro columns, tubes and vials

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Aluminium seals for WISP crimp top vials

Supplier: Restek

Chromatography vial closure, Aluminium, Ø: 13 mm, Type: Aluminium seal with septa, silver, Septum: PTFE/silicone

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Screw cap for beakers, jacketed

Supplier: NEUBERT VOLUME GLASSWAERE

Made of borosilicate glass.

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Closures for bottles, with seal ring, PP

Supplier: SEMADENI

PP closure, with PE sealing ring

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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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Caps

Supplier: MURRAY S

Chromatography vial closure, Push-in plug, polythene

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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 25

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Caps for 13-425 screw thread vials

Supplier: THERMO NATIONAL SCIENTIFIC

Chromatography vial closure, Phenolic, Open top screw cap, phenolic cap type, Septum: Red PTFE/White Silicone

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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 laboratory bottles

Supplier: Lenz Laborglas

PBT, red, with PTFE coated seals.

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Screw caps and septa, 9 mm

Supplier: THERMO NATIONAL SCIENTIFIC

Chromatography vial closures, Ø: 9 mm, Blue PP open top screw cap, 6 mm hole, Hardness: -, Septum: Solid aluminum foil disk with silicone sealing ring, Thickness: 0,06 mm

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Mobile phase accessories, Opti-Cap®

Supplier: Restek

Safety-coated bottle, 1 l, graduated, GL-45 threads

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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.