Z512141
Serrated natural rubber septa
white rubber, bottom O.D. 23 mm, fits neck I.D., 20.5 mm, ST/NS: 24/40
Synonym(s):
Natural Rubber Seal
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About This Item
UNSPSC Code:
41121800
eCl@ss:
32119211
NACRES:
NB.35
Recommended Products
material
white rubber
usage
ST/NS: 24/40
feature
fits neck I.D. 20.5 mm
packaging
package of 100
bottom O.D.
23 mm
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General description
Natural rubber septa/sleeve stoppers are used as temporary closures in chemistry, pharmaceuticals, research and development, and biology. These commercially available septa are developed for general applications and are mainly used in labs as closures for glassware, tubes, and cannulation of air-sensitive chemicals.
Closure has a turnover flange molded to grip outside of container neck, promoting a double seal in conjunction with annular serrations on a hollow plug. Annular serrations depress themselves against the inside wall of the bottle neck, making each serration a suction sealing point.
Note: For extra security when using large bore transfer needles, fasten septum to bottle or flask opening with a wrap-it tie. See ties and accessory tool listings on next page.
Note: For extra security when using large bore transfer needles, fasten septum to bottle or flask opening with a wrap-it tie. See ties and accessory tool listings on next page.
Features and Benefits
- Precision fit
- Non-contaminating
- Safety and performance
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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