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Lab Rubber Stoppers


With our rubber stoppers for lab glassware you can be sure of the experimental integrity as they provide a tight fit thus avoiding any leakage, spills or evaporation of liquid chemicals and reagents. These stoppers are generally used in medical laboratories and testing facilities to seal bottles, test tubes, and other lab flasks and containers.
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See details 1-Hole Blue Rubber Stoppers: Size # 0, 76 Pieces (1 lbs)
SKU: AEP-7-EC1904-0-1

Size 0, 1 hole stopper: size and quantity is approx: top size of 17mm, bottom 13mm, length 25mm; qty is based on weight per lb.

List Price :US$ 5.95
Our Price : US$ 4.95 , save 17%
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See details 1-Hole Blue Rubber Stoppers: Size # 1, 57 Pieces (1 lbs)
SKU: AEP-7-EC1905-1-1

Size 1, 1 hole stopper: size and quantity is approx: top size of 19mm, bottom 14mm, length 25mm; qty is based on weight per lb.

List Price :US$ 5.95
Our Price : US$ 4.95 , save 17%
Quantity:

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See details 1-Hole Blue Rubber Stoppers: Size # 2, 49 Pieces (1 lbs)
SKU: AEP-7-EC1906-2-1

Size 2, 1 hole stopper: size and quantity is approx: top size of 20mm, bottom 16mm, length 25mm; qty is based on weight per lb.

List Price :US$ 5.95
Our Price : US$ 4.95 , save 17%
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See details 1-Hole Blue Rubber Stoppers: Size # 4, 28 Pieces (1 lbs)
SKU: AEP-7-EC1908-4-1

Blue rubber stopper with 1 hole. 4 Size. 2 Pieces per pound. Measures 26mm top diameter by 20mm bottom diameter by 25mm length.

List Price :US$ 5.95
Our Price : US$ 5.40 , save 9%
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See details 1-Hole Blue Rubber Stoppers: Size # 5, 21 Pieces (1 lbs)
SKU: AEP-7-EC1909-5-1

Size 5, 1hole stopper: size and quantity is approx: top size of 27mm, bottom 23mm, length 25mm; qty is based on weight per lb.

List Price :US$ 5.95
Our Price : US$ 5.40 , save 9%
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See details 1-Hole Blue Rubber Stoppers: Size # 6, 17 Pieces (1 lbs)
SKU: AEP-7-EC1911-6-1

Size 6, 1hole stopper: size and quantity is approx: top size of 32mm, bottom 26mm, length 25mm; qty is based on weight per lb.

List Price :US$ 5.95
Our Price : US$ 5.40 , save 9%
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See details 1-Hole Blue Rubber Stoppers: Size # 7, 12 Pieces (1 lbs)
SKU: AEP-7-EC1913-7-1

Size 7, 1 hole stopper: size and quantity is approx: top size of 37mm, bottom 30mm, length 25mm; qty is based on weight per lb.

List Price :US$ 5.95
Our Price : US$ 5.40 , save 9%
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See details 2-Hole Blue Rubber Stoppers: Size # 0, 88 Pieces (1 lbs)
SKU: AEP-7-EC1904-0-2

Size 0, 2 hole stopper: size and quantity is approx: top size of 17mm, bottom 13mm, length 25mm; qty is based on weight per lb.

List Price :US$ 5.95
Our Price : US$ 5.40 , save 9%
Quantity:

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See details 2-Hole Blue Rubber Stoppers: Size # 1, 62 Pieces (1 lbs)
SKU: AEP-7-EC1905-1-2

Size 1, 2 hole stopper: size and quantity is approx: top size of 19mm, bottom 14mm, length 25mm; qty is based on weight per lb.

List Price :US$ 5.95
Our Price : US$ 5.40 , save 9%
Quantity:

More info

With our rubber stoppers for lab glassware you can be sure of the experimental integrity as they provide a tight fit thus avoiding any leakage, spills or evaporation of liquid chemicals and reagents.

These stoppers are generally used in medical laboratories and testing facilities to seal bottles, test tubes, and other lab flasks and containers. Their tapered shape allows for neck openings varying in sizes, though there are rubber corks with a wide, rounded top. Theoretically, the cross section of the middle of the stopper and the opening should match.

For their manufacturing usually natural rubber is used since this material is durable, flexible and water-resistant. Those made of neoprene are used when additional resistance against some reagents and solvents is needed. Rubber stoppers remain resilient even after multiple autoclaving.

We offer a wide array of rubber stoppers that come in different sizes to fit any lab container and ensure sealing integrity. In this category you will find stoppers in three types: solid, one-hole, and two-hole for glass tubing to be inserted into the flask through the stopper.



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