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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.

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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Description: Provides an aseptic seal for transferring high-purity fluids
Catalog Number: 21020-212
Supplier: Thermo Fisher Scientific


Description: These reusable Corning® caps are fabricated from specially formulated phenolic resin to resist the effects of temperature and steam in autoclaving.
Catalog Number: 60827-250
Supplier: Corning

Description: PerkinElmer closures are manufactured to specific tolerances that are guaranteed to fit and perform with PerkinElmer and non-PerkinElmer instruments.
Catalog Number: 10140-062
Supplier: PERKINELMER U.S. LLC


Description: These tear-out seals are designed to secure septa and stoppers to bottles and vials.
Catalog Number: 66010-797
Supplier: DWK Life Sciences (KIMBLE)


Description: Screw caps for 12 x 32 autosampler vials.
Catalog Number: 75812-820
Supplier: MicroSolv Technology Corp


Description: GL45 cap with an NPT tap designed to accept various male NPT adapters found, for instance, in ACE compression tube fittings or standard taper joint adapters.
Catalog Number: 76107-066
Supplier: Ace Glass


Description: Seals can be punctured by syringe or completely removed and contents poured from bottle
Catalog Number: 16171-843
Supplier: DWK Life Sciences (KIMBLE)

Description: REPLACEMENT CAPS, 20ML SIZE, OPEN-TOP PTFE-FACED, CS/200, w240518.
Catalog Number: 89064-064
Supplier: Ace Glass

Small Business Enterprise Product available on GSA Advantage®


Description: With fitted silicone/PTFE septa. Recommended for Mass Spec. For use with 9-425mm, 12x32mm vials. AQ brand. 100/pack
Catalog Number: 97055-302
Supplier: MicroSolv Technology Corp


Description: These polypropylene, blue caps have a center hole and welded-in, PTFE, inner gas permeable membrane
Catalog Number: 89199-120
Supplier: Ace Glass

Small Business Enterprise Product available on GSA Advantage®


Description: Open-top closures without liners.
Catalog Number: 66012-598
Supplier: DWK Life Sciences (KIMBLE)

Description: The red Corning® polybutylene terephthalate (PBT) high temperature caps have a GL32 thread, and can be dry heat sterilized at up to 180 °C
Catalog Number: 89089-690
Supplier: Corning

Description: Pressure release seals feature score lines that allow for internal pressure release when 3.0 ±0.5 bar has been exceeded.
Catalog Number: 89495-256
Supplier: DWK Life Sciences (KIMBLE)

Small Business Enterprise


Description: Provides access to flasks and other containers when pierced by a syringe needle
Catalog Number: KT197800-2440
Supplier: DWK Life Sciences (KIMBLE)


Description: Nalgene High Density Polyethylene closures with PTFE septum combines elastomeric sealing of silicone with non-reactive PFTE reagent contact surface
Catalog Number: 46600-597
Supplier: Thermo Fisher Scientific


Description: This cap combines the mobile phase filtration, sparging/degassing, storage and delivery functions.
Catalog Number: KT953981-0047
Supplier: DWK Life Sciences (KIMBLE)


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