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Merck
CN
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文件

Z512125

Sigma-Aldrich

Serrated natural rubber septa

white rubber, bottom O.D. 14.5 mm, fits neck I.D., 12.5 mm, ST/NS: 14/20

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UNSPSC代码:
41121800
eCl@ss:
32119211
NACRES:
NB.35

物料

white rubber

用途

ST/NS: 14/20

特点

fits neck I.D. 12.5 mm

包装

package of 100

底部外径

14.5 mm

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相关类别

一般描述

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.

应用

Serrated natural rubber septa are suitable as a temporary closure for glassware joints, tubes, bottles, nuclear magnetic resonance (NMR) tubes, ampules, and cannulation techniques in air-sensitive chemistry.

特点和优势

Natural rubber septa are:
  • made of low-density /US/ennatural rubber
  • used to cover mild organic solvents and aqueous solutions

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