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.
Screw caps for screw thread tubes
Supplier: Lenz Laborglas
PBT,red, with PTFE coated silicone sealing (VMQ).
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Screw caps, aluminium
Supplier: GRAVIS
Screw caps, with rubber seal, For: Wide mouth bottles, Aluminium, Thread: 28 mm, Colour: Silver
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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.
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Phenolic Caps, Black, Ribbed, with F217 and PTFE Liner
Supplier: QORPAK INCORPORATED
Ribbed round caps, with F217 and PTFE liner, Colour: Black, Phenolic, Colour: Black, Phenolic
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WHEATON® Screw Closures, Polypropylene
Supplier: DWK Life Sciences
Use these Polypropylene caps with glass/plastic bottles or vials.
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Zero pressure weather caps
Supplier: LABCONCO
Weathercaps are constructed of strong, corrosion-resistant PVC.
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Aluminium septum caps
Supplier: METROHM
Chromatography vial closure, Aluminium, Type: Clear aluminium, Septum: Silicone
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Bottle heads, adjustable for gas washing bottles, Drechsel pattern, Quickfit®
Supplier: SciLabware
PYREX®, borosilicate glass, without glass filter disc.
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Screw caps for tubes
Supplier: DELTALAB
Screw caps made of polypropylene and aluminium with an internal liner made of rubber.
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Screw caps, open top, without septa
Supplier: THERMO NATIONAL SCIENTIFIC
These PP open top screw caps can be used with sample storage screw thread vials.
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Polyethylene Caps for Tubes
Supplier: DELTALAB
Caps madeup of polyethylene.
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Starburst plugs for shell vials
Supplier: Restek
These clear Starburst snap plugs are made of PE. Suitable for shell vials, 1 ml WISP 96 style, 8×40 mm.
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Spare screw caps
Supplier: Brand
screw cap, For: Wide neck bottles, PFA, Thread: S 40
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Screw caps, bakelite
Supplier: GRAVIS
screw cap, with black Butyl/PTFE seal, For: Wide mouth bottles, Bakelite, Thread: 28 mm, Colour: Black, Bakelite
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Screw caps
Supplier: DIJKSTRA
Screw cap, with teflon lining EPE, For: Bottles, PP, Cap size: 31,5 mm, Colour: Black, PP
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Otherwise, you will receive generic recommendations.
Catalog #: 83639.320
Supplier: VWR Chemicals
Catalog #: 20864.320
Supplier: VWR Chemicals
Catalog #: 83640.320
Supplier: VWR Chemicals
Catalog #: 31770.294
Supplier: VWR Chemicals
Catalog #: 1.00030.2500
Supplier: Merck
Catalog #: 83645.320
Supplier: VWR Chemicals