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NMR Stoppers

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  • Hollow plug to fit inside bottles, flasks, vials, or tubing with a sleeve to pull over neck to create a double seal .Septa area allows insertion of needle, with excellent re-sealing properties for air sensitive chemistry
  • Standard Compounds include Red and White Natural Rubber, Gray Butyl on select sizes
  • Custom Sleeve Stopper Compounds available: EPDM, Nitrile, Neoprene, Silicone and Viton®

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Thomas No.
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5mm NMR White NR Stopper
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