Stoppers
Leak-proof, solid stoppers seal bottles, flasks, vials, and even tubing to prevent liquids and gases escaping. Multi-hole styles provide the limited flow stability conditions desired in order to prevent air bubble build up. With a slightly tapered design, different diameter sized stoppers are inserted in labware for a snug fit that still allows easy removal. The closures are manufactured in different materials for accurate resistance to harsh contents and can maintain vacuum atmosphere.
Stoppers, rubber, red with hole
Supplier: DEUTSCH NEUMANN
Rubber stopper, Red, No. of Holes: 1, Hole Ø: 3 mm, Ø bottom: 14.0 mm, Ø top: 18.0 mm, Height: 20,0 mm
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Stoppers, flat type, PTFE
Supplier: COWIE
PTFE. Stopper with flat head fit standard ground glass joints.
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Silicone rubber stoppers, conical
Supplier: KARTELL
These translucent conical stoppers are suitable for foodstuffs.
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Polyethylene stoppers
Supplier: SciLabware
These PE stoppers are ideally suited for use with glass or plastic volumetric flasks and measuring cylinders etc. which have longer 'B' length sockets.
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Stopper, rubber, grey with two holes
Supplier: DEUTSCH NEUMANN
Rubber stopper, No. of Holes: 2, Hole Ø: 6 mm, Ø bottom: 26.0 mm, Ø top: 32.0 mm, Height: 30,0 mm
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Stoppers, rubber, conical, with holes
Supplier: DEUTSCH NEUMANN
Conical natural grey rubber stoppers with one hole.
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Stoppers, rubber, conical, without holes
Supplier: DEUTSCH NEUMANN
Conical natural grey rubber stoppers without holes.
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Stoppers for standard ground joints
Supplier: Brand
PP or PE-LD, hollow, with sealing ribs and square or octagonal grip.
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Silicone rubber stoppers, conical
Supplier: DEUTSCH NEUMANN
These stoppers are biologically inert and transparent.
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Overturnable Stoppers, Silicone Rubber
Supplier: KARTELL
Pierceable stoppers to withdraw solutions and suspensions from closed containers, using syringes.
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Stoppers, rubber, conical
Supplier: KARTELL
Natural red rubber with elastic, tight fitting design.
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Stoppers, rubber, conical, with holes
Supplier: KARTELL
Conical red rubber stoppers with one or two holes.
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Stoppers, acrylnitrile-butadiene rubber
Supplier: DEUTSCH NEUMANN
Rubber stopper, Black, Ø bottom: 60,0 mm, Ø top: 70,0 mm, Height: 50,0 mm
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Spiral Stoppers
Supplier: DEUTSCH NEUMANN
Spiral stoppers with spiral hole throughout stopper.
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Catalog #: 20864.320
: VWR Chemicals
Catalog #: 83640.320
: VWR Chemicals
Catalog #: 31770.294
: VWR Chemicals
Catalog #: 1.00030.2500
: Merck
Catalog #: 83645.320
: VWR Chemicals
Catalog #: 20060.320
: VWR Chemicals