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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Pouring rings for laboratory bottles

Supplier: Lenz Laborglas

Pouring rings are made of ETFE.

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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 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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Closures for bottles, with seal ring, PP

Supplier: SEMADENI

PP closure, with PE sealing ring

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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 screw neck vials

Supplier: DELTALAB

These screw caps are made of autoclavable PP.

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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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Screw caps for transport container

Supplier: BOETTGER PAUL

Screw caps, HDPE, HDPE, Colour: Natural

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VWR® ND13, Screw Cap PP with Central Hole, 8,5 mm and Septa

Supplier: LA PHA PACK

VWR®, Chromatography vial closure, PP, Ø: 13 mm, Type: PP black, Hardness: 55° shore A, Septum: Silicone beige/PTFE red, Thickness: 1,5 mm

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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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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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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.