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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Screw caps for jars

Supplier: MURRAY S

Screw caps for jars, PP, smooth, wadded, Thread: R3/38, Colour: Black

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Stoppers for RIA test tubes

Supplier: LP ITALIANA

Stoppers for RIA test tubes, PE, For Ø ext.: 11 mm, For tubes: 70 mm

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Twist-off caps

Supplier: PONT PACKAGING

Screw cap, Twist-off caps, for 228 ml jars, For: Twist-off jars, Thread: 63 mm, Colour: White

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Caps for tubes

Supplier: DELTALAB

Polyethylene caps for all types of polypropylene and polystyrene tubes.

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Caps and inserts for microtubes

Supplier: DELTALAB

Cap, Cap with loop and red silicone O-ring seal, 13×8 mm, PP, Colour: Natural

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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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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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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.