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Stoppers and Closures

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Bottle Caps (1,939)
Stoppers (1,357)
Cork Borers (168)
Corks (132)
Bottle Septa (67)
Environmental Sampling Bottle Closures (53)
Bottle Cap Liners (25)
Stopper Accessories (17)

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106 – 120 of 2,325 results
106

Synthware™ Threaded Sleeve Type Septum
GREENER_CHOICE SDP

Threaded Sleeve Type Septum made from natural white rubber.

Shape Cylindrical
Product Type Sleeve Stopper
Color White
Quantity 1 Ea.
Material Rubber
For Use With (Application) Organic Synthesis
Autoclavable Autoclavable
Sterility Non-sterile
107

Synthware™ Sleeve Type Septum
GREENER_CHOICE SDP

The Sleeve Type Septum is a flanged type stopper with a hollow plug and sleeve extension that folds down over the neck of vessel, tubing, etc. The diaphragm can be punctured with a syringe needle, resealing after need is withdrawn.

Shape Cylindrical
Product Type Sleeve Stopper
Color White
Quantity 1 Ea.
Material Rubber
For Use With (Application) Organic Synthesis
Autoclavable Autoclavable
Sterility Non-sterile
108

Synthware™ Hollow Penny Head Stopper
GREENER_CHOICE SDP

Heavy wall hollow penny head stopper

Description Heavy-wall
Color Clear
Quantity 1 Ea.
Material Borosilicate Glass
For Use With (Application) Organic Synthesis
109

Synthware™ Pluro Stopper Set
GREENER_CHOICE SDP

Pluro Stopper Set comes with 8 sizes.

110

Synthware™ Teflon™ Bushing
GREENER_CHOICE SDP

Teflon™ Bushing includes an EP™ O-ring, for use with pressure valves.

Shape Rounded Grip, Screw Stem
For Use With (Equipment) Pressure Valves
Color White
Material PTFE
Autoclavable Not Autoclavable
Sterility Non-sterile
111

Bel-Art™ Extracting-Nut Safe-Lab™ Stoppers

PTFE-resin stoppers with red polypropylene extractor nuts require no lubricants

Shape Tapered
Description Includes: Red polypropylene extracting nut
Color White
Material PTFE
Temperature Range (Metric) 210°C
Autoclavable Autoclavable
Sterility Non-sterile
112

Synthware™ Standard PFTE Stopper
GREENER_CHOICE SDP

With handle for easy gripping.

Color White
Quantity 1 Ea.
Material PTFE
For Use With (Application) Organic Synthesis
113

Synthware™ PFTE Stopper with Extraction Nut
GREENER_CHOICE SDP

Stopper has a nylon extraction nut permitting easy removal of the stopper from the glass outer joint.

Color White
Quantity 1 Ea.
Material PTFE
For Use With (Application) Organic Synthesis
114

Fisherbrand™ Black Phenolic Caps
SDP

Black phenolic screw cap with poly-seal liner is manufactured from low density polyethylene. For use with various Fisherbrand molded glass bottles

EDGE
Closure Liner Polyethylene Cone
Closure Color Black
Closure Material Phenolic
115

Fisherbrand™ Replacement Cap for Glass Media Bottles
SDP

Fits GL45 screw thread

EDGE
116

Fisherbrand™ White Polypropylene Caps
SDP

White polypropylene screw caps provides clear surface for writing on cap

EDGE
Product Type Lined Cap
Color White
Material Polypropylene
117

Plasticoid Solid Rubber Stoppers for 800mL Kjeldahl Flasks
SDP

Light tan rubber stoppers

118

Plasticoid One-hole Rubber Stoppers for 800mL Kjeldahl Flasks
SDP

Light tan rubber stoppers

119

Humboldt Sharpener for Cork Borers
SDP

Consists of a brass cone and heavy steel-cutting edge mounted on a wooden handle.

120

Humboldt Boring Machine for Cork/Rubber Stoppers
SDP

Rugged, versatile machine bores holes in any part of stopper, from 3/16 to 5/8 in.