Bel-Art™ SP Scienceware™ Extracting-Nut Safe-Lab™ Stoppers Available on GSA/VA Contract for Federal Government customers only.

PTFE-resin stoppers with red polypropylene extractor nuts require no lubricants

Manufacturer: Bel-Art™ F201911505

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Catalog No. 14-645-1F

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    Material PTFE
    For Use With (Application) For separatory funnels and volumetric flasks
    Includes Red polypropylene extracting nut
    Product Type Stopper
    Standard Taper Joint 22/20
    Size 22
    Standard Taper Stopper No. 22
    Temperature Range (English) 410°F
    Temperature Range (Metric) 210°C

    • Twist nut for removal—stopper lifts out easily without breaking glassware
    • Unaffected by boiling acids, hydrocarbons, ketones, esters, alcohols or alkalis, regardless of concentration
    • Nonfreezing, noncontaminating, chemically inert, easy to clean
    • Use at temperatures up to 210°C (410°F)

  • Description & Specifications

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