You searched for: Stoppers

Supplier: VWR International

Versatile rubber stoppers are four stoppers in one.

Supplier: VWR International

Made of stretchable natural rubber for use with glass stoppers.

Supplier: VWR International

Synthetic, neoprene stoppers contain no free sulfur and exhibit good resiliency and shelf-life.

Supplier: VWR International

This practical, two-pound assortment of black rubber stoppers is ideal for the small laboratory or school with limited need for any one size or style.

Supplier: VWR International

These highly resilient, pure gum, amber rubber stoppers have less free sulfur (max

Supplier: VWR International

These black high-percentage rubber stoppers are low in free sulfur and have a single hole to facilitate laboratory procedures.

Supplier: VWR International

Select from soft red natural rubber or green neoprene for higher heat resistance.

Supplier: VWR International

These highly resilient, pure gum, off-white rubber stoppers have less free sulfur (max

Supplier: VWR International

Natural rubber stoppers feature a hollow plug to fit inside bottles, flasks, vials, or tubing.

Supplier: VWR International

These black rubber, one-hole stoppers are specifically designed to fit 500 and 800 mL Kjeldahl nitrogen determination flasks.

Supplier: VWR International

These solid, pure gum, amber rubber stoppers contain less free sulfur (max

Supplier: VWR International

These solid, black stoppers contain a high percentage of pure rubber, weigh less than neoprene, and are low in free sulfur (¹/₂%).

Supplier: VWR International

Permit insertion of hypodermic needles.

Supplier: VWR International

These black, high percentage rubber stoppers are low in free sulfur and have two holes to facilitate laboratory procedures.

Supplier: VWR International

Inert and chemically resistant solid PTFE stoppers for use with standard ground glass joints.

Supplier: VWR International

XXXX Corks function as a closure for bottles, vials, laboratory and other openings.

Supplier: Glassco

Stoppers are made from Borosilicate 3.3 glass.

Supplier: VWR International

Stoppers are molded from elastomeric formula 4432/50 Gray. This formula has extremely low levels of organic and metallic extractables and does not contain plasticizers, 2-Mercaptobenzothiazole, nitrosamine precursors, or natural rubber latex.

Supplier: DWK Life Sciences (KIMBLE)

Wheaton Ultrapure Lyophilization Stoppers are very low moisture adsortion stoppers

Supplier: Ace Glass

These pennyhead style glass stoppers are hollow

Supplier: DWK Life Sciences (KIMBLE)

Wheaton straight plug stoppers provide maximum sealing for vials with a straight-wall glass finish

Supplier: DWK Life Sciences (KIMBLE)

Plug stoppers with fold-over skirts are for use on serum vials and other crimp-finish containers that do not require an aluminum seal or overcap

Supplier: Glassco

Stoppers are made from PTFE material, and are designed for use with laboratory glassware such as flasks and separatory funnels.

Supplier: AGILENT TECHNOLOGIES, INC (CSD)

Stopper, Grey butyl headspace, 20 mm, -40/120C

Supplier: Ace Glass

Neoprene stopper for use with filter flasks to support funnels securely.

Supplier: VWR International

XXXX Corks function as a closure for bottles, vials, laboratory and other openings.

Supplier: Corning

Hollow, full length stopper closed at the bottom from PYREX®, borosilicate glass.

Supplier: DWK Life Sciences (KIMBLE)

The autoclavable stoppers with complete fluorinated Omniflex Plus is manufactured in a silicone free environment. Sleeve style stoppers feature a fold-over skirt for sealing in serum finish vials without a crimp closure.

Supplier: Ace Glass

Cap-type stoppers have spherical joints and are used to seal unused ports on Air Sampling Manifolds

Supplier: Ace Glass

Round-head style glass stoppers are available in a variety of lengths and sizes